제출 #247953

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
247953		VEGAnn	Telefoni (COCI17_telefoni)	C++14	80 / 80	17 ms	2048 KiB

telefoni

#include <bits/stdc++.h>
using namespace std;
const int N = 500100;
int n, a[N], d, ans;

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

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n >> d;

    for (int i = 0; i < n; i++)
        cin >> a[i];

    int pos = 0;

    while (pos < n - 1){
        bool was = 0;

        for (int it = 1; it <= d; it++)
            if (a[pos + it]){
                was = 1;
                pos += it;
                break;
            }

        if (!was){
            ans++;
            pos += d;
        }
    }

    cout << ans;

    return 0;
}

• Subtask 1: 80 / 80