Submission #1168421

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168421		12345678	Telefoni (COCI17_telefoni)	C++20	80 / 80	10 ms	2700 KiB

telefoni

#include <bits/stdc++.h>

using namespace std;

const int nx=3e5+5;

int n, d, dp[nx], v[nx];
deque<int> dq;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>d;
    for (int i=1; i<=n; i++) cin>>v[i];
    dq.push_back(1);
    for (int i=2; i<=n; i++)
    {
        while (!dq.empty()&&i-dq.front()>d) dq.pop_front();
        dp[i]=dp[dq.front()]+!v[i];
        while (!dq.empty()&&dp[dq.back()]>=dp[i]) dq.pop_back();
        dq.push_back(i);
    }
    cout<<dp[n];
}

• Subtask 1: 80 / 80