Submission #349019

#	Time	Username	Problem	Language	Result	Execution time	Memory
349019		doowey	Cloud Computing (CEOI18_clo)	C++14	100 / 100	375 ms	2180 KiB

clo

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

struct order{
    int cores;
    int fr;
    int val;
    int type; // type == 1 => computer, type ==  2>= order
    bool operator< (const order &q) const {
        if(fr == q.fr){
            return type > q.type;
        }
        return fr < q.fr;
    }
};

const int M = (int)2e5+10;
const ll inf = (ll)1e18;
ll dp[M];

int main(){
    fastIO;
    int n;
    cin >> n;
    int c, f, v;
    vector<order> ff;
    for(int i = 0 ; i < n; i ++ ){
        cin >> c >> f >> v;
        ff.push_back({c,f,v,1});
    }
    int m;
    cin >> m;
    for(int i = 0;  i < m ; i ++ ){
        cin >> c >> f >> v;
        ff.push_back({c,f,v,2});
    }
    sort(ff.begin(),ff.end());
    for(int i = 0 ; i < M; i ++ ){
        dp[i]=-inf;
    }
    dp[0]=0;
    int mx = 0;
    ll ans = 0;
    for(int i = ff.size() - 1; i >= 0 ; i -- ){
        if(ff[i].type == 1){
            for(int j = mx; j >= 0; j -- ){
                dp[j+ff[i].cores]=max(dp[j+ff[i].cores],dp[j]-ff[i].val);
            }
            mx += ff[i].cores;
        }
        else{
            for(int j = ff[i].cores; j <= mx  ; j ++ ){
                dp[j-ff[i].cores]=max(dp[j-ff[i].cores],dp[j]+ff[i].val);
                ans = max(ans,dp[j-ff[i].cores]);
            }
        }
    }
    cout << ans << "\n";
    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