# 17.08.2025
[837. New 21 Game](https://leetcode.com/problems/new-21-game/description) medium
Probability sum of random(1..m) less than n when stop adding at k #medium #math #probability
[837. New 21 Game](https://leetcode.com/problems/new-21-game/description) medium
Probability sum of random(1..m) less than n when stop adding at k #medium #math #probability
👍1
# 19.08.2025
[2348. Number of Zero-Filled Subarrays](https://leetcode.com/problems/number-of-zero-filled-subarrays/description) medium
Count 0-subarrays #medium #counting
[2348. Number of Zero-Filled Subarrays](https://leetcode.com/problems/number-of-zero-filled-subarrays/description) medium
Count 0-subarrays #medium #counting
👍1
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# 20.08.2025
[1277. Count Square Submatrices with All Ones](https://leetcode.com/problems/count-square-submatrices-with-all-ones/description/) medium
Count square islands of 1 #medium #dp
[1277. Count Square Submatrices with All Ones](https://leetcode.com/problems/count-square-submatrices-with-all-ones/description/) medium
Count square islands of 1 #medium #dp
👍1
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# 21.08.2025
[1504. Count Submatrices With All Ones](https://leetcode.com/problems/count-submatrices-with-all-ones/description) medium
Count islands of 1 #medium #dp
[1504. Count Submatrices With All Ones](https://leetcode.com/problems/count-submatrices-with-all-ones/description) medium
Count islands of 1 #medium #dp
👍2
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# 22.08.2025
[3195. Find the Minimum Area to Cover All Ones I](https://leetcode.com/problems/find-the-minimum-area-to-cover-all-ones-i/description/) medium
Min all-1 rectangle #medium
[3195. Find the Minimum Area to Cover All Ones I](https://leetcode.com/problems/find-the-minimum-area-to-cover-all-ones-i/description/) medium
Min all-1 rectangle #medium
👍1
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# 24.08.2025
[1493. Longest Subarray of 1's After Deleting One Element](https://leetcode.com/problems/longest-subarray-of-1s-after-deleting-one-element/description/) medium
Max 1-subarray after removing one elemnt #medium #two_pointers
[1493. Longest Subarray of 1's After Deleting One Element](https://leetcode.com/problems/longest-subarray-of-1s-after-deleting-one-element/description/) medium
Max 1-subarray after removing one elemnt #medium #two_pointers
👍3
# 25.08.2025
[498. Diagonal Traverse](https://leetcode.com/problems/diagonal-traverse/description) medium
Matrix diagonal traversal #medium
[498. Diagonal Traverse](https://leetcode.com/problems/diagonal-traverse/description) medium
Matrix diagonal traversal #medium
👍2
# 28.08.2025
[3446. Sort Matrix by Diagonals](https://leetcode.com/problems/sort-matrix-by-diagonals/description/) medium
Sort bottom left and top right diagonals #medium #matrix
[3446. Sort Matrix by Diagonals](https://leetcode.com/problems/sort-matrix-by-diagonals/description/) medium
Sort bottom left and top right diagonals #medium #matrix
👍1
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# 29.08.2025
[3021. Alice and Bob Playing Flower Game](https://leetcode.com/problems/alice-and-bob-playing-flower-game/description) medium
Pairs x=1..n * y=1..m for Alice to win in take from (x+y) game #medium
[3021. Alice and Bob Playing Flower Game](https://leetcode.com/problems/alice-and-bob-playing-flower-game/description) medium
Pairs x=1..n * y=1..m for Alice to win in take from (x+y) game #medium
👍2
# 30.08.2025
[36. Valid Sudoku](https://leetcode.com/problems/valid-sudoku/description/) medium
Validate sudoku has no duplicates #medium
[36. Valid Sudoku](https://leetcode.com/problems/valid-sudoku/description/) medium
Validate sudoku has no duplicates #medium
👍4
# 01.09.2025
[1792. Maximum Average Pass Ratio](https://leetcode.com/problems/maximum-average-pass-ratio/description) medium
Max avg ratio after assigning extra to ratios #medium
[1792. Maximum Average Pass Ratio](https://leetcode.com/problems/maximum-average-pass-ratio/description) medium
Max avg ratio after assigning extra to ratios #medium
👍2
# 02.09.2025
[3025. Find the Number of Ways to Place People I](https://leetcode.com/problems/find-the-number-of-ways-to-place-people-i/description/) medium
Left-top, bottom-right pairs with empty rectangles #medium
[3025. Find the Number of Ways to Place People I](https://leetcode.com/problems/find-the-number-of-ways-to-place-people-i/description/) medium
Left-top, bottom-right pairs with empty rectangles #medium
👍2
# 03.09.2025
[3027. Find the Number of Ways to Place People II](https://leetcode.com/problems/find-the-number-of-ways-to-place-people-ii/description/) hard
Left-top, bottom-right pairs with empty rectangles #medium #geometry
[3027. Find the Number of Ways to Place People II](https://leetcode.com/problems/find-the-number-of-ways-to-place-people-ii/description/) hard
Left-top, bottom-right pairs with empty rectangles #medium #geometry
👍2
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# 05.09.2025
[2749. Minimum Operations to Make the Integer Zero](https://leetcode.com/problems/minimum-operations-to-make-the-integer-zero/description/) medium
Min ops to subtract n2+2^(0..60) from n1 and make n1=0 #medium
[2749. Minimum Operations to Make the Integer Zero](https://leetcode.com/problems/minimum-operations-to-make-the-integer-zero/description/) medium
Min ops to subtract n2+2^(0..60) from n1 and make n1=0 #medium