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Jul 9th, 2018
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C++ 0.31 KB | None | 0 0
  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6.   ios_base::sync_with_stdio(false);
  7.   cin.tie(0);
  8.  
  9.   int k = 0;
  10.   string s, t;
  11.   cin >> s >> t;
  12.   for(int i = 1; i <= min(s.size(), t.size()); i++)
  13.     if (s[s.size() - i] == t[t.size() - i]) k++;
  14.   cout << t.size() + s.size() - 2*k << endl;
  15. }
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