#LEETCODE Series&#39; Articles

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Apr 18

463. Island Perimeter

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3 min read

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Apr 19

200. Number of Islands

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3 min read

Cover image for 1992. Find All Groups of Farmland

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Apr 20

1992. Find All Groups of Farmland

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3 min read

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Apr 22

752. Open the Lock

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4 min read

Cover image for 1971. Find if Path Exists in Graph

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Apr 22

1971. Find if Path Exists in Graph

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2 min read

Cover image for 310. Minimum Height Trees

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Apr 23

310. Minimum Height Trees

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3 min read

Cover image for 1137. N-th Tribonacci Number

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Apr 24

1137. N-th Tribonacci Number

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1 min read

Cover image for 2370. Longest Ideal Subsequence

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Apr 25

2370. Longest Ideal Subsequence

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2 min read

Cover image for 1289. Minimum Falling Path Sum II

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Apr 26

1289. Minimum Falling Path Sum II

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2 min read

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Apr 27

514. Freedom Trail

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4 min read

Cover image for 834. Sum of Distances in Tree

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Apr 28

834. Sum of Distances in Tree

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3 min read

Cover image for 1700. Number of Students Unable to Eat Lunch

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Apr 28

1700. Number of Students Unable to Eat Lunch

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2 min read

Cover image for 2073. Time Needed to Buy Tickets

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Apr 28

2073. Time Needed to Buy Tickets

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2 min read

Cover image for 2997. Minimum Number of Operations to Make Array XOR Equal to K

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Apr 29

2997. Minimum Number of Operations to Make Array XOR Equal to K

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2 min read

Cover image for 1614. Maximum Nesting Depth of the Parentheses

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Apr 29

1614. Maximum Nesting Depth of the Parentheses

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2 min read

Cover image for 1544. Make The String Great

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Apr 29

1544. Make The String Great

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2 min read

Cover image for 1915. Number of Wonderful Substrings

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Apr 30

1915. Number of Wonderful Substrings

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Cover image for 1249. Minimum Remove to Make Valid Parentheses

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Apr 30

1249. Minimum Remove to Make Valid Parentheses

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2 min read

Cover image for 950. Reveal Cards In Increasing Order

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Apr 30

950. Reveal Cards In Increasing Order

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2 min read

Cover image for 678. Valid Parenthesis String

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Apr 30

678. Valid Parenthesis String

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3 min read

Cover image for 2000. Reverse Prefix of Word

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May 1

2000. Reverse Prefix of Word

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2 min read

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May 1

79. Word Search

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2 min read

Cover image for 129. Sum Root to Leaf Numbers

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May 1

129. Sum Root to Leaf Numbers

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3 min read

Cover image for 2441. Largest Positive Integer That Exists With Its Negative

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May 2

2441. Largest Positive Integer That Exists With Its Negative

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1 min read

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May 2

58. Length of Last Word

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2 min read

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May 2

205. Isomorphic Strings

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2 min read

Cover image for 165. Compare Version Numbers

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May 3

165. Compare Version Numbers

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3 min read

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May 3

402. Remove K Digits

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3 min read

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May 3

42. Trapping Rain Water

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1 min read

Cover image for 881. Boats to Save People

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May 5

881. Boats to Save People

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3 min read

Cover image for 237. Delete Node in a Linked List

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May 5

237. Delete Node in a Linked List

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3 min read

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May 5

85. Maximal Rectangle

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3 min read

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May 6

404. Sum of Left Leaves

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3 min read

Cover image for 2487. Remove Nodes From Linked List

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May 6

2487. Remove Nodes From Linked List

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1 min read

Cover image for 2816. Double a Number Represented as a Linked List

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May 7

2816. Double a Number Represented as a Linked List

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2 min read

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May 7

445. Add Two Numbers II

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3 min read

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May 8

506. Relative Ranks

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3 min read

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May 8

1. Two Sum

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2 min read

Cover image for 3075. Maximize Happiness of Selected Children

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May 9

3075. Maximize Happiness of Selected Children

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2 min read

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May 9

2. Add Two Numbers

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3 min read

Cover image for 786. K-th Smallest Prime Fraction

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May 10

786. K-th Smallest Prime Fraction

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3 min read

Cover image for 3. Longest Substring Without Repeating Characters

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May 10

3. Longest Substring Without Repeating Characters

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3 min read

Cover image for 3123. Find Edges in Shortest Paths

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May 10

3123. Find Edges in Shortest Paths

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2 min read

Cover image for 3122. Minimum Number of Operations to Satisfy Conditions

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May 10

3122. Minimum Number of Operations to Satisfy Conditions

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2 min read

Cover image for 3121. Count the Number of Special Characters II

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May 10

3121. Count the Number of Special Characters II

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1 min read

Cover image for 3113. Find the Number of Subarrays Where Boundary Elements Are Maximum

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May 10

3113. Find the Number of Subarrays Where Boundary Elements Are Maximum

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3 min read

Cover image for 2570. Merge Two 2D Arrays by Summing Values solution

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May 10

2570. Merge Two 2D Arrays by Summing Values solution

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2 min read

Cover image for 2530. Maximal Score After Applying K Operations

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May 10

2530. Maximal Score After Applying K Operations

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4 min read

Cover image for 857. Minimum Cost to Hire K Workers

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May 11

857. Minimum Cost to Hire K Workers

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4 min read

Cover image for 4. Median of Two Sorted Arrays

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May 11

4. Median of Two Sorted Arrays

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2 min read

Cover image for 2373. Largest Local Values in a Matrix

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May 12

2373. Largest Local Values in a Matrix

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2 min read

Cover image for 17. Letter Combinations of a Phone Number

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May 12

17. Letter Combinations of a Phone Number

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1 min read

Cover image for 861. Score After Flipping Matrix

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May 13

861. Score After Flipping Matrix

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3 min read

Cover image for 1219. Path with Maximum Gold

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May 14

1219. Path with Maximum Gold

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2 min read

Cover image for 2812. Find the Safest Path in a Grid

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May 15

2812. Find the Safest Path in a Grid

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3 min read

Cover image for 2331. Evaluate Boolean Binary Tree

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May 16

2331. Evaluate Boolean Binary Tree

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2 min read

Cover image for 1325. Delete Leaves With a Given Value

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May 17

1325. Delete Leaves With a Given Value

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2 min read

Cover image for 979. Distribute Coins in Binary Tree

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May 18

979. Distribute Coins in Binary Tree

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2 min read

Cover image for 3068. Find the Maximum Sum of Node Values

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May 19

3068. Find the Maximum Sum of Node Values

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3 min read

Cover image for 1863. Sum of All Subset XOR Totals

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May 20

1863. Sum of All Subset XOR Totals

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2 min read

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May 21

78. Subsets

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1 min read

Cover image for 131. Palindrome Partitioning

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May 22

131. Palindrome Partitioning

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2 min read

Cover image for 2597. The Number of Beautiful Subsets

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May 23

2597. The Number of Beautiful Subsets

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2 min read

Cover image for 1255. Maximum Score Words Formed by Letters

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May 24

1255. Maximum Score Words Formed by Letters

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2 min read

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May 25

140. Word Break II

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2 min read

Cover image for 552. Student Attendance Record II

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May 26

552. Student Attendance Record II

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3 min read

Cover image for 1608. Special Array With X Elements Greater Than or Equal X

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May 27

1608. Special Array With X Elements Greater Than or Equal X

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2 min read

Cover image for 1208. Get Equal Substrings Within Budget

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May 28

1208. Get Equal Substrings Within Budget

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2 min read

Cover image for 1404. Number of Steps to Reduce a Number in Binary Representation to One

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May 29

1404. Number of Steps to Reduce a Number in Binary Representation to One

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2 min read

Cover image for 1442. Count Triplets That Can Form Two Arrays of Equal XOR

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May 30

1442. Count Triplets That Can Form Two Arrays of Equal XOR

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1 min read

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May 31

260. Single Number III

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1 min read

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Jun 1

3110. Score of a String

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1 min read

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Jun 2

344. Reverse String

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2 min read

Cover image for 2486. Append Characters to String to Make Subsequence

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Jun 3

2486. Append Characters to String to Make Subsequence

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2 min read

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Jun 4

409. Longest Palindrome

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2 min read

Cover image for 1002. Find Common Characters

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Jun 5

1002. Find Common Characters

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1 min read

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Jun 6

846. Hand of Straights

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4 min read

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Jun 7

648. Replace Words

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4 min read

Cover image for 523. Continuous Subarray Sum

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Jun 8

523. Continuous Subarray Sum

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3 min read

Cover image for 974. Subarray Sums Divisible by K

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Jun 9

974. Subarray Sums Divisible by K

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1 min read

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Jun 10

1051. Height Checker

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2 min read

Cover image for 1122. Relative Sort Array

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Jun 11

1122. Relative Sort Array

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2 min read

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Jun 12

75. Sort Colors

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3 min read

Cover image for 2037. Minimum Number of Moves to Seat Everyone

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Jun 13

2037. Minimum Number of Moves to Seat Everyone

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2 min read

Cover image for 945. Minimum Increment to Make Array Unique

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Jun 14

945. Minimum Increment to Make Array Unique

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1 min read

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Jun 15

502. IPO

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3 min read

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Jun 16

330. Patching Array

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3 min read

Cover image for 633. Sum of Square Numbers

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Jun 17

633. Sum of Square Numbers

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2 min read

Cover image for 826. Most Profit Assigning Work

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Jun 18

826. Most Profit Assigning Work

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3 min read

Cover image for 1482. Minimum Number of Days to Make m Bouquets

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Jun 19

1482. Minimum Number of Days to Make m Bouquets

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2 min read

Cover image for 1552. Magnetic Force Between Two Balls

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Jun 20

1552. Magnetic Force Between Two Balls

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2 min read

Cover image for 1052. Grumpy Bookstore Owner

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Jun 21

1052. Grumpy Bookstore Owner

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2 min read

Cover image for 1248. Count Number of Nice Subarrays

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Jun 22

1248. Count Number of Nice Subarrays

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1 min read

Cover image for 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

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Jun 23

1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

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2 min read

Cover image for 995. Minimum Number of K Consecutive Bit Flips

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Jun 24

995. Minimum Number of K Consecutive Bit Flips

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2 min read

Cover image for 1038. Binary Search Tree to Greater Sum Tree

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Jun 25

1038. Binary Search Tree to Greater Sum Tree

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2 min read

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Jun 26

1382. Balance a Binary Search Tree

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2 min read

Cover image for 1791. Find Center of Star Graph

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Jun 27

1791. Find Center of Star Graph

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2 min read

Cover image for 2285. Maximum Total Importance of Roads

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Jun 28

2285. Maximum Total Importance of Roads

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2 min read

Cover image for 2192. All Ancestors of a Node in a Directed Acyclic Graph

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Jun 29

2192. All Ancestors of a Node in a Directed Acyclic Graph

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3 min read

Cover image for 1579. Remove Max Number of Edges to Keep Graph Fully Traversable

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Jun 30

1579. Remove Max Number of Edges to Keep Graph Fully Traversable

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3 min read

Cover image for 1550. Three Consecutive Odds

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Jul 1

1550. Three Consecutive Odds

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1

1 min read

Cover image for 350. Intersection of Two Arrays II

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Jul 2

350. Intersection of Two Arrays II

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2 min read

Cover image for 1509. Minimum Difference Between Largest and Smallest Value in Three Moves

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Jul 3

1509. Minimum Difference Between Largest and Smallest Value in Three Moves

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2 min read

Cover image for 2181. Merge Nodes in Between Zeros

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Jul 4

2181. Merge Nodes in Between Zeros

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2 min read

Cover image for 2058. Find the Minimum and Maximum Number of Nodes Between Critical Points

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Jul 5

2058. Find the Minimum and Maximum Number of Nodes Between Critical Points

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3 min read

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Jul 6

2582. Pass the Pillow

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2 min read

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Jul 7

1518. Water Bottles

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2 min read

Cover image for 1823. Find the Winner of the Circular Game

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Jul 8

1823. Find the Winner of the Circular Game

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2 min read

Cover image for 1701. Average Waiting Time

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Jul 9

1701. Average Waiting Time

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3 min read

Cover image for 1598. Crawler Log Folder

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Jul 10

1598. Crawler Log Folder

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2 min read

Cover image for 1190. Reverse Substrings Between Each Pair of Parentheses

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Jul 11

1190. Reverse Substrings Between Each Pair of Parentheses

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2 min read

Cover image for 1717. Maximum Score From Removing Substrings

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Jul 12

1717. Maximum Score From Removing Substrings

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3 min read

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Jul 13

2751. Robot Collisions

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4 min read

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Jul 14

726. Number of Atoms

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3 min read

Cover image for 2196. Create Binary Tree From Descriptions

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Jul 15

2196. Create Binary Tree From Descriptions

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3 min read

Cover image for 2096. Step-By-Step Directions From a Binary Tree Node to Another

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Jul 16

2096. Step-By-Step Directions From a Binary Tree Node to Another

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3 min read

Cover image for 1110. Delete Nodes And Return Forest

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Jul 17

1110. Delete Nodes And Return Forest

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2 min read

Cover image for 1636. Sort Array by Increasing Frequency

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Jul 23

1636. Sort Array by Increasing Frequency

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2 min read

Cover image for 1530. Number of Good Leaf Nodes Pairs

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Jul 24

1530. Number of Good Leaf Nodes Pairs

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3 min read

Cover image for 2191. Sort the Jumbled Numbers

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Jul 24

2191. Sort the Jumbled Numbers

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3 min read

Cover image for 1380. Lucky Numbers in a Matrix

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Jul 24

1380. Lucky Numbers in a Matrix

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3 min read

Cover image for 1605. Find Valid Matrix Given Row and Column Sums

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Jul 24

1605. Find Valid Matrix Given Row and Column Sums

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3 min read

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Jul 25

2418. Sort the People

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2 min read

Cover image for 2392. Build a Matrix With Conditions

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Jul 25

2392. Build a Matrix With Conditions

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4 min read

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Jul 25

912. Sort an Array

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187 min read

Cover image for 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance

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Jul 26

1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance

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3 min read

Cover image for 2976. Minimum Cost to Convert String I

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Jul 27

2976. Minimum Cost to Convert String I

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4 min read

Cover image for 2045. Second Minimum Time to Reach Destination

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Jul 28

2045. Second Minimum Time to Reach Destination

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4 min read

Cover image for 1395. Count Number of Teams

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Jul 29

1395. Count Number of Teams

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7 min read

Cover image for 1653. Minimum Deletions to Make String Balanced

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Jul 30

1653. Minimum Deletions to Make String Balanced

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2 min read

Cover image for 1105. Filling Bookcase Shelves

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Jul 31

1105. Filling Bookcase Shelves

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3 min read

Cover image for 2678. Number of Senior Citizens

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Aug 1

2678. Number of Senior Citizens

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3 min read

Cover image for 2134 Minimum Swaps to Group All 1's Together II

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Aug 2

2134 Minimum Swaps to Group All 1's Together II

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3 min read

Cover image for 1460. Make Two Arrays Equal by Reversing Subarrays

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Aug 3

1460. Make Two Arrays Equal by Reversing Subarrays

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3 min read

Cover image for 1508. Range Sum of Sorted Subarray Sums

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Aug 4

1508. Range Sum of Sorted Subarray Sums

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3 min read

Cover image for 2053. Kth Distinct String in an Array

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Aug 5

2053. Kth Distinct String in an Array

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3 min read

Cover image for 3016. Minimum Number of Pushes to Type Word II

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Aug 6

3016. Minimum Number of Pushes to Type Word II

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4 min read

Cover image for 273. Integer to English Words

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Aug 7

273. Integer to English Words

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2 min read

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Aug 8

885. Spiral Matrix III

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3 min read

Cover image for 840. Magic Squares In Grid

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Aug 9

840. Magic Squares In Grid

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2 min read

Cover image for 959. Regions Cut By Slashes

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Aug 10

959. Regions Cut By Slashes

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2 min read

Cover image for 1568. Minimum Number of Days to Disconnect Island

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Aug 12

1568. Minimum Number of Days to Disconnect Island

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3 min read

Cover image for 703. Kth Largest Element in a Stream

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Aug 12

703. Kth Largest Element in a Stream

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148 min read

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Aug 13

40. Combination Sum II

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2 min read

Cover image for 719. Find K-th Smallest Pair Distance

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Aug 14

719. Find K-th Smallest Pair Distance

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3 min read

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Aug 15

860. Lemonade Change

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3 min read

Cover image for 624. Maximum Distance in Arrays

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Aug 16

624. Maximum Distance in Arrays

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2 min read

Cover image for 1937. Maximum Number of Points with Cost

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Aug 17

1937. Maximum Number of Points with Cost

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4 min read

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Aug 19

650. 2 Keys Keyboard

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3 min read

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Aug 20

1140. Stone Game II

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3 min read

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Aug 21

664. Strange Printer

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3 min read

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Aug 22

476. Number Complement

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2 min read

Cover image for 592. Fraction Addition and Subtraction

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Aug 23

592. Fraction Addition and Subtraction

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2 min read

Cover image for 564. Find the Closest Palindrome

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Aug 24

564. Find the Closest Palindrome

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2 min read

Cover image for 145. Binary Tree Postorder Traversal

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Aug 25

145. Binary Tree Postorder Traversal

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2 min read

Cover image for 590. N-ary Tree Postorder Traversa

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Aug 26

590. N-ary Tree Postorder Traversa

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3 min read

Cover image for 1514. Path with Maximum Probability

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Aug 27

1514. Path with Maximum Probability

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3 min read

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Aug 28

1905. Count Sub Islands

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4 min read

Cover image for 947. Most Stones Removed with Same Row or Column

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Aug 29

947. Most Stones Removed with Same Row or Column

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Cover image for 2699. Modify Graph Edge Weights

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Aug 30

2699. Modify Graph Edge Weights

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5 min read

Cover image for 2022. Convert 1D Array Into 2D Array

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Sep 1

2022. Convert 1D Array Into 2D Array

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4 min read

Cover image for 1894. Find the Student that Will Replace the Chalk

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Sep 2

1894. Find the Student that Will Replace the Chalk

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4 min read

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Sep 2

1894. Find the Student that Will Replace the Chalk

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4 min read

Cover image for 1945. Sum of Digits of String After Convert

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Sep 3

1945. Sum of Digits of String After Convert

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3 min read

Cover image for 1367. Linked List in Binary Tree

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Sep 7

1367. Linked List in Binary Tree

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4 min read

Cover image for 3217. Delete Nodes From Linked List Present in Array

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Sep 7

3217. Delete Nodes From Linked List Present in Array

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4 min read

Cover image for 725. Split Linked List in Parts

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Sep 8

725. Split Linked List in Parts

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Sep 9

2326. Spiral Matrix IV

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4 min read

Cover image for 2807. Insert Greatest Common Divisors in Linked List

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Sep 10

2807. Insert Greatest Common Divisors in Linked List

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4 min read

Cover image for 2220. Minimum Bit Flips to Convert Number

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Sep 11

2220. Minimum Bit Flips to Convert Number

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3 min read

Cover image for 1684. Count the Number of Consistent Strings

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Sep 12

1684. Count the Number of Consistent Strings

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3 min read

Cover image for 1310. XOR Queries of a Subarray

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Sep 13

1310. XOR Queries of a Subarray

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3 min read

Cover image for 2419. Longest Subarray With Maximum Bitwise AND

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Sep 14

2419. Longest Subarray With Maximum Bitwise AND

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3 min read

Cover image for 1371. Find the Longest Substring Containing Vowels in Even Counts

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Sep 15

1371. Find the Longest Substring Containing Vowels in Even Counts

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3 min read

Cover image for 539. Minimum Time Difference

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Sep 16

539. Minimum Time Difference

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2 min read

Cover image for 884. Uncommon Words from Two Sentences

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Sep 17

884. Uncommon Words from Two Sentences

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3 min read

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Sep 18

179. Largest Number

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2 min read

Cover image for 241. Different Ways to Add Parentheses

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Sep 19

241. Different Ways to Add Parentheses

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3 min read

Cover image for 214. Shortest Palindrome

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Sep 20

214. Shortest Palindrome

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3 min read

Cover image for 386. Lexicographical Numbers

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Sep 21

386. Lexicographical Numbers

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2 min read

Cover image for 440. K-th Smallest in Lexicographical Order

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Sep 22

440. K-th Smallest in Lexicographical Order

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3 min read

Cover image for 2707. Extra Characters in a String

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Sep 23

2707. Extra Characters in a String

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3 min read

Cover image for 3043. Find the Length of the Longest Common Prefix

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Sep 24

3043. Find the Length of the Longest Common Prefix

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3 min read

Cover image for 2416. Sum of Prefix Scores of Strings

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Sep 25

2416. Sum of Prefix Scores of Strings

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4 min read

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Sep 26

729. My Calendar I

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4 min read

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Sep 27

731. My Calendar II

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4 min read

Cover image for 641. Design Circular Deque

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Sep 28

641. Design Circular Deque

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4 min read

Cover image for 432. All O`one Data Structure

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Sep 29

432. All O`one Data Structure

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4 min read

Cover image for 1381. Design a Stack With Increment Operation

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Sep 30

1381. Design a Stack With Increment Operation

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4 min read

Cover image for 1497. Check If Array Pairs Are Divisible by k

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Oct 1

1497. Check If Array Pairs Are Divisible by k

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4 min read

Cover image for 1331. Rank Transform of an Array

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Oct 2

1331. Rank Transform of an Array

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3 min read

Cover image for 1590. Make Sum Divisible by P

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Oct 3

1590. Make Sum Divisible by P

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4 min read

Cover image for 2491. Divide Players Into Teams of Equal Skill

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Oct 4

2491. Divide Players Into Teams of Equal Skill

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3 min read

Cover image for 567. Permutation in String

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Oct 5

567. Permutation in String

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3 min read

Cover image for 1813. Sentence Similarity III

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Oct 6

1813. Sentence Similarity III

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3 min read

Cover image for 2696. Minimum String Length After Removing Substrings

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Oct 7

2696. Minimum String Length After Removing Substrings

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3 min read

Cover image for 1963. Minimum Number of Swaps to Make the String Balanced

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Oct 8

1963. Minimum Number of Swaps to Make the String Balanced

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3 min read

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Oct 8

1963. Minimum Number of Swaps to Make the String Balanced

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3 min read

Cover image for 921. Minimum Add to Make Parentheses Valid

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Oct 9

921. Minimum Add to Make Parentheses Valid

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2 min read

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Oct 10

962. Maximum Width Ramp

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3 min read

Cover image for 1942. The Number of the Smallest Unoccupied Chair

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Oct 11

1942. The Number of the Smallest Unoccupied Chair

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279 min read

Cover image for 2406. Divide Intervals Into Minimum Number of Groups

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Oct 12

2406. Divide Intervals Into Minimum Number of Groups

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3 min read

Cover image for 632. Smallest Range Covering Elements from K Lists

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Oct 13

632. Smallest Range Covering Elements from K Lists

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3 min read

Cover image for 2938. Separate Black and White Balls

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Oct 16

2938. Separate Black and White Balls

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4 min read

Cover image for 1405. Longest Happy String

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Oct 16

1405. Longest Happy String

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3 min read

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Oct 17

670. Maximum Swap

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2 min read

Cover image for 2044. Count Number of Maximum Bitwise-OR Subsets

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Oct 18

2044. Count Number of Maximum Bitwise-OR Subsets

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3 min read

Cover image for 1545. Find Kth Bit in Nth Binary String

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Oct 19

1545. Find Kth Bit in Nth Binary String

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4 min read

Cover image for 1106. Parsing A Boolean Expression

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Oct 20

1106. Parsing A Boolean Expression

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4 min read

Cover image for 1593. Split a String Into the Max Number of Unique Substrings

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Oct 21

1593. Split a String Into the Max Number of Unique Substrings

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3 min read

Cover image for 2583. Kth Largest Sum in a Binary Tree

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Oct 22

2583. Kth Largest Sum in a Binary Tree

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6

4 min read

Cover image for 2641. Cousins in Binary Tree II

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Oct 23

2641. Cousins in Binary Tree II

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5 min read

Cover image for 951. Flip Equivalent Binary Trees

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Oct 24

951. Flip Equivalent Binary Trees

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3 min read

Cover image for 1233. Remove Sub-Folders from the Filesystem

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Oct 25

1233. Remove Sub-Folders from the Filesystem

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3 min read

Cover image for 2458. Height of Binary Tree After Subtree Removal Queries

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Oct 26

2458. Height of Binary Tree After Subtree Removal Queries

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4 min read

Cover image for 1277. Count Square Submatrices with All Ones

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Oct 27

1277. Count Square Submatrices with All Ones

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3 min read

Cover image for Learning from 200+ LeetCode Problems: A Guide to Building Strong Problem-Solving Skills

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Oct 27

Learning from 200+ LeetCode Problems: A Guide to Building Strong Problem-Solving Skills

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3 min read

Cover image for 2684. Maximum Number of Moves in a Grid

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Oct 29

2684. Maximum Number of Moves in a Grid

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3 min read

Cover image for 1671. Minimum Number of Removals to Make Mountain Array

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Oct 30

1671. Minimum Number of Removals to Make Mountain Array

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3 min read

Cover image for 2463. Minimum Total Distance Traveled

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Oct 31

2463. Minimum Total Distance Traveled

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5 min read

Cover image for 1957. Delete Characters to Make Fancy String

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Nov 1

1957. Delete Characters to Make Fancy String

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2 min read

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Nov 2

2490. Circular Sentence

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3 min read

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Nov 3

796. Rotate String

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2 min read

Cover image for 3163. String Compression III

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Nov 4

3163. String Compression III

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3 min read

Cover image for 2914. Minimum Number of Changes to Make Binary String Beautiful

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Nov 5

2914. Minimum Number of Changes to Make Binary String Beautiful

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3 min read

Cover image for 3011. Find if Array Can Be Sorted

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Nov 6

3011. Find if Array Can Be Sorted

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4 min read

Cover image for 2275. Largest Combination With Bitwise AND Greater Than Zero

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Nov 7

2275. Largest Combination With Bitwise AND Greater Than Zero

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3 min read

Cover image for 1829. Maximum XOR for Each Query

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Nov 8

1829. Maximum XOR for Each Query

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4 min read

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Nov 9

3133. Minimum Array End

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3 min read

Cover image for 3097. Shortest Subarray With OR at Least K II

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Nov 10

3097. Shortest Subarray With OR at Least K II

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