제출 #634434

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
634434		ahmed_shafik	Telefoni (COCI17_telefoni)	C++17	80 / 80	14 ms	3160 KiB

telefoni

#include <bits/stdc++.h>
#define ahmed_is_fast             \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
#define ll long long
#define ld long double
#define cc(n) cout << n << "\n"
#define ccc(n) cout << n << ' '
#define endl "\n"
#define all(v) v.begin(), v.end()
#define mx(a, b) a = max(a, b)
#define mn(a, b) a = min(a, b)
#define mem(a, b) memset(a, b, sizeof(a))
#define f(a) a.first
#define s(a) a.second
#define lcm(a, b) (a * b) / __gcd(a, b)
#define sp(x) setprecision(x)
using namespace std;
void ahmed()
{
    ll n,d;
    cin>>n>>d;
    ll arr[n+9];
    for(ll i=0; i<n; i++)
    {
        cin>>arr[i];
    }
    ll cnt=0;
    ll l=0;
    for(ll i=0; i<n; i++)
    {
        if(arr[i]==1)
        {
            l=i;
        }
        if(i-l==d&&arr[i]!=1)
        {
            cnt++;
            l=i;
        }
    }
    cout<<cnt<<endl;
}
bool AHMED = false;
int main()
{
    ahmed_is_fast;
    ll t = 1;
    if (AHMED)
    {
        cin >> t;
    }
    while (t--)
    {
        ahmed();
    }
    return 0;
}

• Subtask 1: 80 / 80