Submission #521300

#TimeUsernameProblemLanguageResultExecution timeMemory
521300chaoyueTelefoni (COCI17_telefoni)C++17
80 / 80
14 ms844 KiB
#include <bits/stdc++.h>
using namespace std;

#define ll long long

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, d, x, dist=0, cnt=0;
	cin>>n>>d;
	for(int i=0; i<n; i++){
		cin>>x;
		if(x){
			dist = 0;
		}
		else{
			dist++;
			if(dist >= d){
				dist = 0;
				cnt++;
			}
		}
	}
	cout<<cnt;
	return 0;
}
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