Longest Common Subsequence
Explore the dynamic programming approach to finding the longest common subsequence between two strings. This lesson helps you understand subsequence definitions, constraints, and step-by-step problem solving techniques in C++. You'll gain skills to implement efficient solutions and evaluate complexity for common interview questions.
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Statement
Suppose you are given two strings. You need to find the length of the longest common subsequence between these two strings.
A subsequence is a string formed by removing some characters from the original string while maintaining the relative position of the remaining characters. For example, “abd” is a subsequence of “abcd”, where the removed character is “c”.
If there is no common subsequence, then return 0.
Constraints: