- Difference between Relational operator(==) and std::string::compare() in C++
- std::string::find_last_not_of in C++
- Count of occurrences of a "1(0+)1" pattern in a string
- Advantages of Trie Data Structure
- Check if given four integers (or sides) make rectangle
- Activation functions in Neural Networks
- Probability of reaching a point with 2 or 3 steps at a time
- Maximum sum of elements from each row in the matrix
- Longest subsequence where each character occurs at least k times
- Comparing two strings in C++
- Check if the array is beautiful
- Sharing a queue among three threads
- Sum of heights of all individual nodes in a binary tree

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