Submission #1355950

#	Time	Username	Problem	Language	Result	Execution time	Memory
1355950		kawhiet	Cyberland (APIO23_cyberland)	C++20	0 / 100	2496 ms	22008 KiB

cyberland

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

constexpr double inf = 1e18;

double solve(int n, int m, int k, int h, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
    vector<double> dp(k + 1, inf), ndp(k + 1, inf);
    dp[0] = 0;
    for (int i = 0; i < h; i++) {
        fill(ndp.begin(), ndp.end(), inf);
        for (int j = 0; j <= k; j++) {
            if (dp[j] == inf) continue;
            double cur = dp[j] + c[i];
            if (arr[i + 1] == 0) {
                ndp[j] = 0;
            } else if (arr[i + 1] == 1) {
                ndp[j] = min(ndp[j], cur);
            } else {
                ndp[j] = min(ndp[j], cur);
                if (j + 1 <= k) {
                    ndp[j + 1] = min(ndp[j + 1], cur / 2.0);
                }
            }
        }
        swap(dp, ndp);
    }
    return ranges::min(dp);
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3