제출 #82733

#제출 시각아이디문제언어결과실행 시간메모리
82733heonTelefoni (COCI17_telefoni)C++11
80 / 80
26 ms2820 KiB
#include<bits/stdc++.h>

using namespace std;

int main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n, d;
	cin >> n >> d;
	vector <int> v(n);
	for(int i = 0; i < n; i++) cin >> v[i];
	int sol = 0, left = d - 1;
	for(int i = 1; i < n; i++, left--){
		if(!left){
			if(!v[i]) sol++;
			left = d;
		}
		else if(v[i]) left = d;
	}
	cout << sol;
}
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