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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4. ll n,kq = 0;
  5. int main()
  6. {
  7.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  8.     freopen("TONGCHUSO.inp", "r", stdin);
  9.     freopen("TONGCHUSO.out", "w", stdout);
  10.     cin >> n;
  11.     while(n != 0)
  12.     {
  13.         kq+=n%10;
  14.         n/=10;
  15.     }
  16.     cout << kq;
  17. }
  18.  
Success #stdin #stdout 0s 5292KB
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Standard input is empty
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Standard output is empty
https://ideone.com/DfUQSw
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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