fork download
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int sum(int n) {
  5. if (n > 1)
  6. return n + sum(n - 1);
  7. return 1;
  8. }
  9.  
  10. int main() {
  11.  
  12. cout << "SUM(100) = " << sum(100) << endl;
  13. return 0;
  14. }
Success #stdin #stdout 0s 5272KB
stdin
Standard input is empty
stdout
SUM(100) = 5050