fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,k;
  6. 	cin>>n>>k;
  7. 	vector<int>a(n);
  8. 	for(int i=0;i<n;i++) cin>>a[i];
  9. 	int sum =0;
  10. 	for(int i=0;i<k;i++) sum+=a[i];
  11. 	int ans=sum;
  12. 	for(int i=k;i<n;i++){ 
  13. 	sum+=a[i]-a[i-k];
  14. 	ans=min(ans,sum);
  15. }cout<<ans;}
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
copy 
10 23
6 4 11 4 5 9 4 1 4 8
stdout
copy 
57753
https://ideone.com/ZZjOpQ
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!