Submission #892405

#	Time	Username	Problem	Language	Result	Execution time	Memory
892405		MinaRagy06	Rabbit Carrot (LMIO19_triusis)	C++17	63 / 100	1058 ms	1884 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    int n, m;
    cin >> n >> m;
    int a[n + 1];
    a[0] = 0;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    n++;
    int dp[n + 1];
    dp[n - 1] = dp[n] = 0;
    for (int i = n - 2; i >= 0; i--) {
        dp[i] = 1e9;
        if (a[i] >= a[i + 1] || a[i + 1] - a[i] <= m) {
            dp[i] = dp[i + 1];
        }
        for (int j = i + 1; j < n; j++) {
            if (j == n - 1 || a[j + 1] <= a[i] + 2 * m) {
                dp[i] = min(dp[i], dp[j + 1] + j - i);
            }
        }
        for (int j = i; j < n; j++) {
            if (j == n - 1 || a[i] - i * m >= a[j + 1] - j * m || a[j + 1] - (a[i] + j * m - i * m) <= m) {
                dp[i] = min(dp[i], dp[j + 1] + j - i);
            }
        }
    }
    cout << dp[0] << '\n';
    return 0;
}

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