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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5. 	string a,b;	cin >> a >> b;
  6. 	if(a.size() > b.size())	swap(a,b);
  7. 	int op = b.size() + a.size(), dif = b.size() - a.size();
  8. 	for(int i=a.size()-1;i>=0;--i){
  9. 		if(a[i] == b[i+dif])	op -= 2;
  10. 		else	break;
  11. 	}	
  12. 	cout << op;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 5224KB
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https://ideone.com/fTws44
language:
C++14 (clang 8.0)
created:
6 days ago
visibility:
public

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