# LeetCode Contests

:::warning
[< Return to Home Page](https://hackmd.io/@siansiansu/HknJJm0W0)
:::

[Biweekly Contest 137](https://leetcode.com/discuss/general-discussion/5650883/biweekly-contest-137), 2024/08/17

1. [Find the Power of K-Size Subarrays I](https://leetcode.com/problems/find-the-power-of-k-size-subarrays-i/description/) [[Solution](https://hackmd.io/@siansiansu/BJjATscnC)]
2. [Find the Power of K-Size Subarrays II](https://leetcode.com/problems/find-the-power-of-k-size-subarrays-ii/description/) [[Solution](https://hackmd.io/@siansiansu/r18ZAs5hA)]
3. [Maximum Value Sum by Placing Three Rooks I](https://leetcode.com/problems/maximum-value-sum-by-placing-three-rooks-i/description/) [[Solution](https://hackmd.io/@siansiansu/HyoQRjc20)]
4. [Maximum Value Sum by Placing Three Rooks II](https://leetcode.com/problems/maximum-value-sum-by-placing-three-rooks-ii/description/) [[Solution](https://hackmd.io/@siansiansu/BJ1vCscnA)]

[Weekly Contest 410](https://leetcode.com/discuss/general-discussion/5619361/weekly-contest-410), 2024/08/11

1. [3248\. Snake in Matrix](https://leetcode.com/problems/snake-in-matrix/description/) [[Solution](https://hackmd.io/@siansiansu/ryC1M6r5A)]
2. [3249\. Count the Number of Good Nodes](https://leetcode.com/problems/count-the-number-of-good-nodes/description/) [[Solution](https://hackmd.io/@siansiansu/By9Zz6ScA)]
3. [3250\. Find the Count of Monotonic Pairs I](https://leetcode.com/problems/find-the-count-of-monotonic-pairs-i/description/) [[Solution](https://hackmd.io/@siansiansu/H18mG6B90)]
4. [3251\. Find the Count of Monotonic Pairs II](https://leetcode.com/problems/find-the-count-of-monotonic-pairs-ii/description/) [[Solution](https://hackmd.io/@siansiansu/HJRVGpr9R)]

[Biweekly Contest 136](https://leetcode.com/discuss/general-discussion/5580915/biweekly-contest-136), 2024/08/04

1. [3238\. Find the Number of Winning Players](https://leetcode.com/problems/find-the-number-of-winning-players/description/) [[Solution](https://hackmd.io/@siansiansu/S10LY0ot0)]
2. [3239\. Minimum Number of Flips to Make Binary Grid Palindromic I](https://leetcode.com/problems/minimum-number-of-flips-to-make-binary-grid-palindromic-i/description/) [[Solution](https://hackmd.io/@siansiansu/SkKdKAsKR)]
3. [3240\. Minimum Number of Flips to Make Binary Grid Palindromic II](https://leetcode.com/problems/minimum-number-of-flips-to-make-binary-grid-palindromic-ii/description/) [[Solution](https://hackmd.io/@siansiansu/SyY5tRit0)]
4. [3241\. Time Taken to Mark All Nodes](https://leetcode.com/problems/time-taken-to-mark-all-nodes/description/) [[Solution](https://hackmd.io/@siansiansu/ryRoYAiK0)]

[Weekly Contest 408](https://leetcode.com/discuss/general-discussion/5546321/weekly-contest-408), 2024/07/28

1. [3232\. Find if Digit Game Can Be Won](https://leetcode.com/problems/find-if-digit-game-can-be-won/description/) [[Solution](https://hackmd.io/@siansiansu/B1eQVSXYR)]
2. [3233\. Find the Count of Numbers Which Are Not Special](https://leetcode.com/problems/find-the-count-of-numbers-which-are-not-special/description/) [[Solution](https://hackmd.io/@siansiansu/SJzmNB7YC)]
3. [3234\. Count the Number of Substrings With Dominant Ones](https://leetcode.com/problems/count-the-number-of-substrings-with-dominant-ones/description/) [[Solution](https://hackmd.io/@siansiansu/HklGXEBQF0)]
4. [3235\. Check if the Rectangle Corner Is Reachable](https://leetcode.com/problems/check-if-the-rectangle-corner-is-reachable/description/) [[Solution](https://hackmd.io/@siansiansu/HkmXEHXY0)]

[Weekly Contest 407](https://leetcode.com/problems/minimum-array-changes-to-make-differences-equal/description/), 2024/07/21

1. [3226\. Number of Bit Changes to Make Two Integers Equal](https://leetcode.com/problems/number-of-bit-changes-to-make-two-integers-equal/description/) [[Solution](https://hackmd.io/@siansiansu/SkfQQrc_0)]
2. [3227\. Vowels Game in a String](https://leetcode.com/problems/vowels-game-in-a-string/description/) [[Solution](https://hackmd.io/@siansiansu/SJZRhZcOC)]
3. [3228\. Maximum Number of Operations to Move Ones to the End](https://leetcode.com/problems/maximum-number-of-operations-to-move-ones-to-the-end/description/) [[Solution](https://hackmd.io/@siansiansu/ryEx_B5_0)]
4. [3229\. Minimum Operations to Make Array Equal to Target](https://leetcode.com/problems/minimum-operations-to-make-array-equal-to-target/description/) [[Solution](https://hackmd.io/@siansiansu/S1H0NYcOC)]

[Biweekly Contest 135](https://leetcode.com/discuss/general-discussion/5506762/biweekly-contest-135), 2024/07/20

1. [3222\. Find the Winning Player in Coin Game](https://leetcode.com/problems/find-the-winning-player-in-coin-game/description/) [[Solution](https://hackmd.io/@siansiansu/BJftlwt_C)]
2. [3223\. Minimum Length of String After Operations](https://leetcode.com/problems/minimum-length-of-string-after-operations/description/) [[Solution](https://hackmd.io/@siansiansu/HkiNzvKdA)]
3. [3224\. Minimum Array Changes to Make Differences Equal](https://leetcode.com/problems/minimum-array-changes-to-make-differences-equal/description/) [[Solution](https://hackmd.io/@siansiansu/Syv4yuFuR)]
4. [3225\. Maximum Score From Grid Operations](https://leetcode.com/problems/maximum-score-from-grid-operations/description/) [[Solution](https://hackmd.io/@siansiansu/SkftJ_YuR)]

[Weekly Contest 406](https://leetcode.com/discuss/general-discussion/5473054/weekly-contest-406), 2024/07/14

1. [3216\. Lexicographically Smallest String After a Swap](https://leetcode.com/problems/lexicographically-smallest-string-after-a-swap/description/) [[Solution](https://hackmd.io/@siansiansu/H1q91kZ_A)]
2. [3217\. Delete Nodes From Linked List Present in Array](https://leetcode.com/problems/delete-nodes-from-linked-list-present-in-array/description/) [[Solution](https://hackmd.io/@siansiansu/HJ3XrJWdA)]
3. [3218\. Minimum Cost for Cutting Cake I](https://leetcode.com/problems/minimum-cost-for-cutting-cake-i/description/) [[Solution](https://hackmd.io/@siansiansu/SyQ3qFWOR)]
4. [3219\. Minimum Cost for Cutting Cake II](https://leetcode.com/problems/minimum-cost-for-cutting-cake-ii/description/) [[Solution](https://hackmd.io/@siansiansu/ByR0ctbOC)]

[Biweekly Contest 134](https://leetcode.com/discuss/general-discussion/5428808/biweekly-contest-134), 2024/07/06

1. [3206\. Alternating Groups I](https://leetcode.com/problems/alternating-groups-i/description/) [[Solution](https://hackmd.io/@siansiansu/r1TCokPw0)]
2. [3207\. Maximum Points After Enemy Battles](https://leetcode.com/problems/maximum-points-after-enemy-battles/description/) [[Solution](https://hackmd.io/@siansiansu/BJNztlvvC)]
3. [3208\. Alternating Groups II](https://leetcode.com/problems/alternating-groups-ii/description/) [[Solution](https://hackmd.io/@siansiansu/B19zhlPv0)]
4. [3209\. Number of Subarrays With AND Value of K](https://leetcode.com/problems/number-of-subarrays-with-and-value-of-k/description/) [[Solution](https://hackmd.io/@siansiansu/HJj4vDOvC)]