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  1. #include <bits/stdc++.h>
  2. #define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  3. using namespace std;
  4.  
  5. int sum(vector<int> arr, int idx) {
  6.     if (idx >= arr.size()) return 0;
  7.     return arr[0] + sum(arr, idx + 1);
  8. }
  9.  
  10. void solve() {
  11.     vector<int> arr = {1,2,3,4,5};
  12.    cout << sum(arr,0) << endl;
  13.  
  14. }
  15.  
  16. int main() {
  17.     IOS;
  18.     solve();
  19.     return 0;
  20. }
Success #stdin #stdout 0.01s 5292KB
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stdin 
Standard input is empty
stdout 
5
https://ideone.com/FLn86B
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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