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How to subString based on the special character? Helpful? Please use the *Thanks* button above! Or, thank me via Patreon: ...

Given a binary string s consisting of 0s and 1s. Find the maximum difference of the number of 0s and the number of 1s (number of ...

Contents: 01:16 From Number to Roman Notation 02:41 Inverse Conversion 03:51 Program Verification 04:08 Complexity 04:26 ...

Given two strings, s1 and s2, count the number of subsequences of string s1 equal to string s2. Return the total count modulo ...