Submission #644517

#	Time	Username	Problem	Language	Result	Execution time	Memory
644517		ali72	Telefoni (COCI17_telefoni)	C++17	16 / 80	17 ms	2008 KiB

telefoni

#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>

void ALI_72(){
    int n,d;
    cin >> n >> d;
    vector < int > v(n);
    for(auto& i : v) cin >> i;
    int ans = 0;
    for(int i = 0;i < n;i+=d){
            if(v[i] == 0){
                ans++;
                v[i] = 1;
            }
    }
    if(v[n - 1] == 0) ans++;
    cout << ans << '\n';
}
signed main()
{
    ios_base :: sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    int t = 1;
    //cin >> t;
    while(t--){
     ALI_72();
   }

    return 0;
}

• Subtask 1: 16 / 80