제출 #1315168

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1315168		ppmn_6	Telefoni (COCI17_telefoni)	C++20	80 / 80	9 ms	360 KiB

telefoni

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
 
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
// https://codeforces.com/blog/entry/79148
class Timer: chrono::high_resolution_clock {
    const time_point start_time;
public:
    Timer(): start_time(now()) {}
    rep elapsed_time() const {
		return chrono::duration_cast<chrono::milliseconds>(now() - start_time).count();
	}
} timer;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(0);
    int n, d, pr, ans = 0;
    cin >> n >> d;
    for (int i = 0; i < n; i++) {
		int x;
		cin >> x;
		if (x) {
			pr = i;
		}
		if (i - pr == d) {
			ans++;
			pr = i;
		}
	}
	cout << ans;
	
    return 0;
}

• Subtask 1: 80 / 80