Codeforces Round 599 (Div-2) -B2. Character Swap (Hard Version)
Link to the question:
https://codeforces.com/contest/1243/p...
Master Competitive Programming: http://bit.ly/35XOcou
Problem Statement:
Given 2 strings 's' and 't', by performing at most 2n number of swaps, we need to make both Strings equal.
Implementation is done using Strings/Character Array and Frequency Array and 2-D Array/Matrix
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