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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, x, k1 = 1, k2;
  6.     cin >> n;
  7.     for (int i = 1; i <= n && k1 == 1; ++i){
  8.             k2 = 1;
  9.         while (cin >> x && k2 == 1){
  10.             if (i == x)
  11.                 k2 = 0;
  12.         }
  13.         if (k2 == 1)
  14.             cout << i;
  15.             k1 = 0;
  16.     }
  17. 	return 0;
  18. }
Success #stdin #stdout 0.01s 5304KB
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stdin
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5
2 5 1 4
stdout
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Standard output is empty
https://ideone.com/bwfr60
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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