Submission #897231

#	Time	Username	Problem	Language	Result	Execution time	Memory
897231		vanea	Cloud Computing (CEOI18_clo)	C++14	100 / 100	350 ms	1624 KiB

clo

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

const int mxN = 1e5+1;
const ll NINF = -1e18;

ll dp[mxN+10];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<array<int, 3>> v;
    for(int i = 0; i < n; i++) {
        int cores, freq, price;
        cin >> cores >> freq >> price;
        v.push_back({cores, freq, price});
    }
    int m;
    cin >> m;
    for(int i = 0; i < m; i++) {
        int cores, freq, price;
        cin >> cores >> freq >> price;
        cores = -cores;
        v.push_back({cores, freq, price});
    }
    sort(v.begin(), v.end(), [&](array<int, 3> a, array<int, 3> b) {
        if(a[1] == b[1]) {
            return a[0] > b[0];
        }
        else return a[1] > b[1];
    });
    for(int i = 0; i <= mxN; i++) {
        dp[i] = NINF;
    }
    dp[0] = 0;
    for(auto it : v) {
        int cores = it[0];
        if(cores > 0) {
            for(int i = mxN; i >= cores; i--) {
                if(dp[i-cores] != NINF) {
                    dp[i] = max(dp[i], dp[i-cores]-it[2]);
                }
            }
        }
        else {
            for(int i = abs(cores); i <= mxN; i++) {
                if(dp[i] != NINF)
                    dp[i+cores] = max(dp[i+cores], dp[i]+it[2]);
            }
        }
    }
    ll ans = 0;
    for(int i = 0; i <= mxN; 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