Keep a record on problems solved and to solve everyday↵
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**Leetcode**↵
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4 medium Leetcode problems↵
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[3191](https://leetcode.com/problems/minimum-operations-to-make-binary-array-elements-equal-to-one-i/description/)↵
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[2938](https://leetcode.com/problems/separate-black-and-white-balls/description/)↵
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similar ones:↵
[921](https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/description/)↵
[1963](https://leetcode.com/problems/minimum-number-of-swaps-to-make-the-string-balanced/description/)↵
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[670](https://leetcode.com/problems/maximum-swap/description/)↵
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[1405](https://leetcode.com/problems/longest-happy-string/description/)↵
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[2044](https://leetcode.com/problems/count-number-of-maximum-bitwise-or-subsets/description/)↵
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3 hard ones↵
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[1691](https://leetcode.com/problems/maximum-height-by-stacking-cuboids/description/)↵
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[3036](https://leetcode.com/problems/number-of-subarrays-that-match-a-pattern-ii/description/)↵
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[2014](https://leetcode.com/problems/longest-subsequence-repeated-k-times/description/)↵
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**Codeforces**↵
questions to solve (will be simply ignoring the first two problems as they tend to be easy)↵
2025 CDEFG↵
↵
↵
The bold ones are the ones to be solved
↵
**Leetcode**↵
↵
4 medium Leetcode problems↵
↵
[3191](https://leetcode.com/problems/minimum-operations-to-make-binary-array-elements-equal-to-one-i/description/)↵
↵
[2938](https://leetcode.com/problems/separate-black-and-white-balls/description/)↵
↵
similar ones:↵
[921](https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/description/)↵
[1963](https://leetcode.com/problems/minimum-number-of-swaps-to-make-the-string-balanced/description/)↵
↵
[670](https://leetcode.com/problems/maximum-swap/description/)↵
↵
[1405](https://leetcode.com/problems/longest-happy-string/description/)↵
↵
[2044](https://leetcode.com/problems/count-number-of-maximum-bitwise-or-subsets/description/)↵
↵
3 hard ones↵
↵
[1691](https://leetcode.com/problems/maximum-height-by-stacking-cuboids/description/)↵
↵
[3036](https://leetcode.com/problems/number-of-subarrays-that-match-a-pattern-ii/description/)↵
↵
[2014](https://leetcode.com/problems/longest-subsequence-repeated-k-times/description/)↵
↵
↵
**Codeforces**↵
questions to solve (will be simply ignoring the first two problems as they tend to be easy)↵
2025 CDEFG↵
↵
↵
The bold ones are the ones to be solved
