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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main(void) {
  5. int n;
  6. cin >> n;
  7. char ch;
  8. int sum = 0;
  9. for (int i = 0; i<n; i++) {
  10. cin >> ch;
  11. sum += (ch - '0');
  12. }
  13.  
  14. cout << sum;
  15. return 0;
  16. }
Success #stdin #stdout 0s 4436KB
stdin
5
12345
stdout
15