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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main(){
  6.     long long n;
  7.     cin >> n;
  8.     if(n % 9 == 0) cout << "9";
  9.     else cout << n % 9;
  10. }
Success #stdin #stdout 0.01s 5284KB
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Standard input is empty
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5
https://ideone.com/dQKQrD
language:
C++ (gcc 8.3)
created:
119 days ago
visibility:
secret

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