Submission #236718

#	Time	Username	Problem	Language	Result	Execution time	Memory
236718		VEGAnn	Rasvjeta (COCI17_rasvjeta)	C++14	50 / 50	5 ms	384 KiB

rasjveta

#include <bits/stdc++.h>
using namespace std;
const int N = 1010;
bool mrk[N];
int n, m, k, ans = 0;

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

    cin >> n >> m >> k;

    for (int i = 0; i < m; i++){
        int x; cin >> x;

        for (int j = max(1, x - k); j <= min(n, x + k); j++)
            mrk[j] = 1;
    }

    for (int i = 1; i <= n; i++){
        if (mrk[i]) continue;

        ans++;

        for (int j = i; j <= min(n, i + k + k); j++)
            mrk[j] = 1;
    }

    cout << ans;

    return 0;
}

• Subtask 1: 50 / 50