Submission #462424

#	Time	Username	Problem	Language	Result	Execution time	Memory
462424		idk321	Cloud Computing (CEOI18_clo)	C++17	36 / 100	478 ms	2464 KiB

clo

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


/*
ll tryAll(int i, vector<array<int, 3>>& comps, vector<int> cores, ll cost) {
    if (i == comps.size()) {
        return solveFor(cur, cost);
    }

    ll best = tryAll(i + 1, comps, cores, cost);
    for (int j = 0; j < comps[i][0]; i++) cores.push(comps[1]);
    cost += comps[i][2];
    best = max(best, cost);
    return best;
}

ll solveFor(vector<int> cores, ll cost) {
    ll sum = 0;

    return sum - cost;
}
*/

bool comp(const array<int, 4>& ar1, const array<int, 4>& ar2) {
    if (ar1[1] == ar2[1]) {
        if (ar1[3] == 0) return true;
        return false;
    }
    return (ar1[1] > ar2[1]);
}

const int N = 102000;
const ll MIN = -2000000000000000000LL;
ll resAt[N];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;

    vector<array<int, 4>> all;

    for (int i = 0; i < n; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        all.push_back({c, f, v, 0});
    }

    for (int i = 0; i < N; i++) resAt[i] = MIN;

    int m;
    cin >> m;
    for (int i = 0; i < m; i++) {
        int c, f, v;
        cin >> c >> f >> v;
        all.push_back({c, f, v, 1});
    }

    resAt[0] = 0;
    sort(all.begin(), all.end(), comp);
    for (int i = 0; i < all.size(); i++) {

        if (all[i][3] == 0) {
            for (int j = N - 1 - all[i][0];  j >= 0; j--) {
                resAt[j + all[i][0]] = max(resAt[j + all[i][0]], resAt[j] - all[i][2]);
            }
        } else {
            for (int j = all[i][0]; j <N; j++) {
                resAt[j - all[i][0]] = max(resAt[j - all[i][0]], resAt[j] + all[i][2]);
            }
        }
    }

    ll res = MIN;
    for (int i = 0; i < N; i++ ) {
        if (resAt[i] > res) {
            res = resAt[i];
        }
    }

    cout << res << "\n";
}

/*
4
4 2200 700
2 1800 10
20 2550 9999
4 2000 750
3
1 1500 300
6 1900 1500
3 2400 4550
*/

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:65:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 4> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for (int i = 0; i < all.size(); i++) {
      |                     ~~^~~~~~~~~~~~

• Subtask 1: 18 / 18
• Subtask 2: 0 / 18
• Subtask 3: 18 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10