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  1. #include <iostream>
  2. #include <map>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	string s1,s2;
  7. 	cin>>s1>>s2;
  8. 	map<string,string> m;
  9. 	m[s2]=s1;
  10. 	cout<<m[s2]<<"\n";
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 4236KB
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123 456
stdout
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123
https://ideone.com/pDLGeS
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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