제출 #209146

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209146		cstuart	Telefoni (COCI17_telefoni)	C++17	80 / 80	12 ms	1020 KiB

telefoni

#define _USE_MATH_DEFINES 1
#define _EXT_CODECVT_SPECIALIZATIONS_H 1
#define _EXT_ENC_FILEBUF_H 1
#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#define MOD 1000000007ll
#define EPS 1e-9

typedef long long         ll;
typedef long double       ld;
typedef pair <ll,ll>      pl;
typedef tuple <ll,ll,ll>  tl;

ll N, D, L, T;
vector <ll> tele;

int main() {

	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin >> N >> D;
	for (ll i = 1; i <= N; i++) {
		char state;
		cin >> state;
		if (state == '1') tele.push_back(i);
	}
	
	for (ll i = 1; i < (ll)tele.size(); i++) {
		T += (tele[i] - tele[i-1] - 1) / D;
	}
	
	cout << T;
	
    return 0;
}

• Subtask 1: 80 / 80