Submission #1267029

#	Time	Username	Problem	Language	Result	Execution time	Memory
1267029		menkh	Cloud Computing (CEOI18_clo)	C++20	100 / 100	473 ms	2192 KiB

clo

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

#define int long long
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, b, a) for (int i = (b), _a = (a); i >= _a; i--)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)

#define INF 1000000000000

struct item {
    int need, fac, earn;
};

int n, m;
vector<item> hihi;

void solve() {
    cin >> n;
    for (int i = 0; i < n; i++) {
        int c, f, p; cin >> c >> f >> p;
        hihi.push_back({c, f, -p});
    } 

    cin >> m;
    for (int i = 0; i < m; i++) {
        int c, f, p; cin >> c >> f >> p;
        hihi.push_back({-c, f, p});
    }

    sort(hihi.begin(), hihi.end(), [](item A, item B) {
        if (A.fac == B.fac) return A.need > B.need; 
        return A.fac > B.fac;
    });

    int maxRoom = 2000 * 50 + 1;
    vector<int> dp(maxRoom + 5, -INF);
    dp[0] = 0;

    for (item cur : hihi) {
        vector<int> nxt = dp;
        for (int j = 0; j < maxRoom; j++) {
            int pre = j - cur.need; 
            if (pre < 0 || pre > maxRoom || dp[pre] == -INF) continue;
            int nw = dp[pre] + cur.earn; 
            nxt[j] = max(nxt[j], nw);
        }
        swap(dp, nxt);
    }

    cout << *max_element(dp.begin(), dp.end()) << '\n';
}

signed main() {
    // freopen("DATPHONG.INP", "r", stdin); 
    // freopen("DATPHONG.OUT", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(0); 
    solve();
}

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