Submission #3914456

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
	int n,k;cin>>n>>k;
  	vector<int> t(4);
  	cin>>t[0]>>t[1]>>t[2];
  	int gokei3=t[0]+t[1]+t[2];
  	if(gokei3<k){
    	cout<<3<<endl;
      	return 0;
    }
  
  	for(int i=3;i<n;i++){
      	cin>>t[i%4];
    	gokei3+=t[i%4]-t[(i+1)%4];
      	if(gokei3<k){
    	cout<<i+1<<endl;
      	return 0;
    }
    
    }
  	cout<<-1<<endl;
}

Submission Info

Judge Result