Submission #941217

#	Time	Username	Problem	Language	Result	Execution time	Memory
941217		viwlesxq	Cloud Computing (CEOI18_clo)	C++17	100 / 100	435 ms	1372 KiB

clo

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(), x.end()
#define size(x) (int)x.size()

template<class S, class T>
bool chmin(S &a, const T &b) {
    return a > b ? (a = b) == b : false;
}
template<class S, class T>
bool chmax(S &a, const T &b) {
    return a < b ? (a = b) == b : false;
}
const int inf = 1e18;

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n; cin >> n;
    vector<array<int, 4>> vec;
    for (int i = 0; i < n; ++i) {
        int c, f, v; cin >> c >> f >> v;
        vec.push_back({f, 1, v, c});
    }
    int m; cin >> m;
    for (int i = 0; i < m; ++i) {
        int c, f, v; cin >> c >> f >> v;
        vec.push_back({f, 0, v, c});
    }
    sort(all(vec));
    vector<int> dp(50 * n + 1, -inf);
    dp[0] = 0;
    while (!vec.empty()) {
        auto [C, V] = make_pair(vec.back()[3], vec.back()[2]);
        if (vec.back()[1]) {
            for (int i = 50 * n - C; i >= 0; --i) {
                chmax(dp[i + C], dp[i] - V);
            }
        } else {
            for (int i = C; i <= 50 * n; ++i) {
                chmax(dp[i - C], dp[i] + V);
            }
        }
        vec.pop_back();
    }
    cout << *max_element(all(dp));
}

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