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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 suffix_sum(vector<int> v,int idx,int cnt) {
  6.     if ((cnt==0) || (idx < 0))return 0;
  7.     return v[idx]+suffix_sum(v,idx-1,cnt-1);
  8. }
  9.  
  10. void solve() {
  11.     vector<int> arr = {1, 3, 4, 6, 7};
  12.     cout<<suffix_sum(arr,arr.size()-1,3)<<endl;
  13. }
  14.  
  15. int main() {
  16.     IOS;
  17.     solve();
  18.     return 0;
  19. }
Success #stdin #stdout 0.01s 5312KB
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https://ideone.com/Xh8HUj
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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