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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     ios_base::sync_with_stdio(false);
  7.     cin.tie(NULL);
  8.  
  9.     int a, b, c;
  10.     if (cin >> a >> b >> c) {
  11.         if (a == b) {
  12.             cout << c << "\n";
  13.         } else if (a == c) {
  14.             cout << b << "\n";
  15.         } else {
  16.             cout << a << "\n";
  17.         }
  18.     }
  19.  
  20.     return 0;
  21. }
Success #stdin #stdout 0.01s 5320KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/sndiMM
language:
C++ (gcc 8.3)
created:
2 hours ago
visibility:
secret

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