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# Author Problem Lang Verdict Time Memory Sent Judged  
110904366 Practice:
itti_da
363B - 19 C++17 (GCC 7-32) Wrong answer on test 17 124 ms 576 KB 2021-03-24 17:44:40 2021-03-24 17:44:40
→ Source
#include<iostream>
using namespace std;
int main(){
    int n,k;
    cin>>n>>k;
    int a[n];
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    int sum=0,start=0;
    for(int i=0;i<k;i++){
        sum+=a[i];
    }
    int st=0,end=k,n_sum;
    while(end<n){
        n_sum=sum-a[st]+a[end];
        st++;
        end++;
        if(n_sum<sum){
            sum=n_sum;
            start=st;
        }
    }
    cout<<start+1;
    return 0;
}
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