Submission #580616

#	Time	Username	Problem	Language	Result	Execution time	Memory
580616		tengiz05	Cloud Computing (CEOI18_clo)	C++17	100 / 100	405 ms	1236 KiB

clo

#include <bits/stdc++.h>

using namespace std;
using i64 = long long;

constexpr int N = 100000;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n;
    cin >> n;
    
    vector<array<int, 3>> a;
    for (int i = 0; i < n; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        a.push_back({c, f, -v});
    }
    
    int m;
    cin >> m;
    for (int i = 0; i < m; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        a.push_back({c, f, v});
    }
    
    sort(a.begin(), a.end());
    
    vector<i64> dp(N + 1, -1E15);
    dp[0] = 0;
    
    sort(a.begin(), a.end(), [&](const array<int, 3> &a, const array<int, 3> &b) {
        if (a[1] == b[1])
            return a[2] < b[2];
        return a[1] > b[1];
    });
    
    for (auto [c, f, v] : a) {
        if (v < 0) {
            for (int i = N; i >= c; i--) {
                dp[i] = max(dp[i], dp[i - c] + v);
            }
        } else {
            for (int i = c; i <= N; i++) {
                dp[i - c] = max(dp[i - c], dp[i] + v);
            }
        }
    }
    
    i64 ans = *max_element(dp.begin(), dp.end());
    
    cout << ans << "\n";
    
    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