Given two strings, find if first string is a subsequence of second - GeeksforGeeks

Given two strings, find if first string is a subsequence of second - GeeksforGeeks

Given two strings str1 and str2, find if str1 is a subsequence of str2. A subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the order of the remaining elements (source: wiki). Expected time complexity is linear.

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