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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int n, suma=0;
  6. cin >> n;
  7. while(n!=0){
  8. suma+=n;
  9. cin >> n;
  10. }
  11. cout << suma;
  12. return 0;
  13. }
Success #stdin #stdout 0s 5268KB
stdin
12 1 7 0
stdout
20