Submission #663041

#	Time	Username	Problem	Language	Result	Execution time	Memory
663041		finn__	Rabbit Carrot (LMIO19_triusis)	C++17	0 / 100	1 ms	212 KiB

triusis

#include <bits/stdc++.h>
using namespace std;

int main()
{
    size_t n;
    uint64_t m;
    cin >> n >> m;

    vector<uint64_t> a(n + 2);
    for (size_t i = 1; i <= n; i++)
        cin >> a[i];
    a[0] = a[n + 1] = 0;

    vector<array<uint64_t, 2>> dp(a.size(), {UINT64_MAX, UINT64_MAX});
    dp[0][0] = 0;
    vector<uint64_t> h(a.size());
    h[0] = 0;

    for (size_t i = 1; i < n + 2; i++)
    {
        if (a[i] <= a[i - 1] + m)
            dp[i][0] = dp[i - 1][0];
        if (a[i] <= h[i - 1] + m)
            dp[i][0] = min(dp[i][0], dp[i - 1][1]);

        if (dp[i - 1][0] < dp[i - 1][1] || (dp[i - 1][0] == dp[i - 1][1] && a[i - 1] > h[i - 1]))
        {
            h[i] = a[i - 1] + m;
            dp[i][1] = dp[i - 1][0] + 1;
        }
        else
        {
            h[i] = h[i - 1] + m;
            dp[i][1] = dp[i - 1][1] + 1;
        }
    }

    cout << dp[n + 1][0] << '\n';
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37