Submission #636410

#	Time	Username	Problem	Language	Result	Execution time	Memory
636410		berr	Telefoni (COCI17_telefoni)	C++17	80 / 80	20 ms	2644 KiB

telefoni

#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);
    
    int n, d; cin>>n>>d;

    vector<int> a(n);

    for(int i=0; i<n; i++) cin>>a[i];

    int k=0, ans=0;
    for(int i=0; i<n; i++)
    {
        if(i==k&&a[i]==1)
        {
            k=i+d;
        }
        else if(i==k)
        {
            ans++;
            k=i+d;
        }
        else if(a[i]==1)
        {
            k=i+d;
        }
    }

    cout<<ans;
}

• Subtask 1: 80 / 80