oj.uz

Submission #636410

# Submission time Handle Problem Language Result Execution time Memory
636410 2022-08-29T08:19:30 Z berr Telefoni (COCI17_telefoni) C++17
80 / 80
 20 ms 2644 KB 
#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
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 14 ms 2644 KB Output is correct
9 Correct 20 ms 2644 KB Output is correct
10 Correct 13 ms 2644 KB Output is correct