Submission #1103493

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103493		overwatch9	Telefoni (COCI17_telefoni)	C++17	80 / 80	46 ms	3380 KiB

telefoni

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n, d;
    cin >> n >> d;
    vector <int> nums(n);
    for (int i = 0; i < n; i++)
        cin >> nums[i];
    vector <int> dp(n);
    dp[0] = 0;
    multiset <int> s;
    s.insert(0);
    for (int i = 1; i < n; i++) {
        dp[i] = *s.begin();
        if (nums[i] == 0)
            dp[i]++;
        s.insert(dp[i]);
        if (i >= d)
            s.erase(s.find(dp[i-d]));
    }
    cout << dp[n-1] << '\n';
}

• Subtask 1: 80 / 80