Submission #550113

#	Time	Username	Problem	Language	Result	Execution time	Memory
550113		Jomnoi	Cloud Computing (CEOI18_clo)	C++17	100 / 100	419 ms	1312 KiB

clo

#include <bits/stdc++.h>
#define DEBUG false
using namespace std;

const int MAX_C = 1e5 + 10;
const long long INF = 1e18 + 7;

long long dp[MAX_C + 1];

class Computer {
public :
    int c, f, v, t;
    Computer() {}
    Computer(const int &c_, const int &f_, const int &v_, const int &t_) : c(c_), f(f_), v(v_), t(t_) {}

    bool operator<(const Computer &o) const {
        return make_pair(f, -t) > make_pair(o.f, -o.t);
    }
};

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n;
    cin >> n;
    vector <Computer> vec;
    for(int i = 1; i <= n; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        vec.push_back(Computer(c, f, v, -1));
    }

    int m;
    cin >> m;
    for(int i = 1; i <= m; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        vec.push_back(Computer(c, f, v, 1));
    }

    sort(vec.begin(), vec.end());

    for(int i = 0; i <= MAX_C; i++) {
        dp[i] = -INF;
    }
    dp[0] = 0;
    for(auto [c, f, v, t] : vec) {
        if(t == -1) {
            for(int C = MAX_C; C >= c; C--) {
                dp[C] = max(dp[C], dp[C - c] - v);
            }
        }
        else {
            for(int C = 0; C <= MAX_C - c; C++) {
                dp[C] = max(dp[C], dp[C + c] + v);
            }
        }
    }

    long long ans = 0;
    for(int i = 0; i <= MAX_C; i++) {
        ans = max(ans, dp[i]);
    }
    cout << ans;
    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