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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     long long a, b, c, d, e;
  6.     cin >> a >> b >> c >> d >> e;
  7.  
  8.     if (a==b || a==c || a==d || a==e ||b==c || b==d || b==e ||c==d || c==e || d==e) {
  9.         cout << "NO";
  10.     } else {
  11.         cout << "YES";
  12.     }
  13.     return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5336KB
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stdin
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Standard input is empty
stdout
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YES
https://ideone.com/iJVpQj
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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