Submission #1313270

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313270		mantaggez	Telefoni (COCI17_telefoni)	C++20	80 / 80	9 ms	1592 KiB

telefoni

#include <bits/stdc++.h>

using namespace std;

const int nx = 3e5+5;

int n, d, res, desk[nx];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin >> n >> d;
    for(int i=1;i<=n;i++) cin >> desk[i];

    int i = 2, r = 1 + d;

    while(r < n)
    {
        int best = -1;

        // cout << "i : " << i << " r : " << r << '\n';
        while(i <= n && i <= r)
        {
            if(desk[i])
                best = i;
            i++;
            // cout << "i : " << i << '\n';
        }
        if(best == -1)
        {
            res++;
            best = min(n, r);
            // cout << "best : " << best << '\n';
        }
        r = best + d;
    }
    // cout << "i : " << i << " r : " << r << '\n';

    cout << res ;

    return 0;
}

• Subtask 1: 80 / 80