Submission #571898

#	Time	Username	Problem	Language	Result	Execution time	Memory
571898		piOOE	Cloud Computing (CEOI18_clo)	C++17	100 / 100	1674 ms	1356 KiB

clo

#include <bits/stdc++.h>

using namespace std;

#define sz(x) ((int)size(x))
#define all(x) begin(x), end(x)
#define trace(x) cout << #x << ": " << (x) << endl;

typedef long long ll;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int rand(int l, int r) { return (int) ((ll) rnd() % (r - l + 1)) + l; }

const int N = 2000, C = 50;
const ll infL = 3e18;

ll dp[C * N + 1];


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<array<int, 4>> a;
    for (int i = 0; i < n; ++i) {
        int c, f, v;
        cin >> c >> f >> v;
        a.push_back({f, 1, c, v});
    }
    int m;
    cin >> m;
    int sum = N * C;
    for (int i = 0; i < m; ++i) {
        int c, f, v;
        cin >> c >> f >> v;
        a.push_back({f, 0, c, v});
    }
    sort(all(a));
    for (auto [f, t, c, v] : a) {
        if (t == 0) {
            for (int k = sum; k >= c; --k) {
                dp[k] = max(dp[k], dp[k - c] + v);
            }
        } else {
            for (int k = c; k <= sum; ++k) {
                dp[k - c] = max(dp[k - c], dp[k] - v);
            }
        }
        for (int k = 1; k <= sum; ++k) {
            dp[k] = max(dp[k], dp[k - 1]);
        }
    }
    cout << dp[0];
    return 0;
}

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 18 / 18
• Subtask 5: 18 / 18
• Subtask 6: 10 / 10