Submission #1132649

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132649		DangKhoizzzz	Telefoni (COCI17_telefoni)	C++20	80 / 80	9 ms	2736 KiB

telefoni

#include <bits/stdc++.h>
#include <bits/stdc++.h>
#define int long long

using namespace std;
const int maxn = 1e6 + 7;

int n , d , a[maxn];
vector <int> pos;

void solve()
{
    cin >> n >> d;
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i <= n; i++)
    {
        if(a[i]) pos.push_back(i);
    }

    int ans = 0;

    for(int i = 1; i < pos.size(); i++)
    {
        ans += (pos[i] - pos[i-1] - 1)/d;
    }
    cout << ans << '\n';
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
    return 0;
}

• Subtask 1: 80 / 80