- The problem can be solved using dynamic programming. - Let dp[i][j] represent the number of distinct subsequences of the first i characters of string s that match the first j characters of string t.

Given two strings s and t, return the number of distinct subsequences of s which equals t. The test cases are generated so that the answer fits on a 32-bit signed integer.

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Have you ever heard of FINDSTR and Select-String? Select-String is a cmdlet that is used to search text & the patterns in input strings & files. It is similar to grep on Linux & FINDSTR on Windows. In ...