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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     long long n;
  6.     cin >> n;
  7.  
  8.     long long sum = 0;
  9.  
  10.     while (n > 0) {
  11.         sum += n % 10;
  12.         n /= 10;
  13.     }
  14.  
  15.     cout << sum;
  16.  
  17.     return 0;
  18. }
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/bASK77
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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