## More Problems

- Longest substring with at most K unique characters
- Maximum Depth of Valid Nested Parentheses in an arithmetic expression
- Find the Nth-term in a given arithmetic progression
- find the Arithmetic Progression sequence
- Given an array, find three-element sum closest to Zero
- Check if one string is a subsequence of another string.
- Activity Selection Problem
- Minimum number of adjacent swaps to sort the given array
- Round Price Problem
- Most frequent word

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