Submission #875453

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
875453	2023-11-19T18:35:34 Z	gutzzy	Hotel (CEOI11_hot)	C++14	10 / 100	4000 ms	16680 KB

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

int n,m,o,profit;

pair<int,int> best_room(vector<pair<int,int>> &rooms, pair<int,int> of, vector<bool> &used){
    int bestr = -1;
    int bestp = 1e9 + 7;
    for(int i=0;i<n;i++){
        if(used[i]) continue;
        pair<int,int> room = rooms[i];
        if(room.second>=of.second and room.first<=bestp){
            if(room.first<bestp or bestr==-1){
                bestp = room.first;
                bestr = i;
            }
            else{
                if(room.second<rooms[bestr].second){
                    bestp = room.first;
                    bestr = i;
                }
            }
        }
    }
    return {of.first-bestp,bestr};
}

main(){
    profit = 0;
    cin >> n >> m >> o;
    vector<pair<int,int>> rooms(n);
    vector<bool> used(n, false);
    vector<pair<int,int>> ofertas(m);
    for(int i=0;i<n;i++) cin >> rooms[i].first >> rooms[i].second;
    for(int i=0;i<m;i++) cin >> ofertas[i].first >> ofertas[i].second;
    
    priority_queue<pair<pair<int,int>,int>> pq;
    
    for(int xx=0;xx<m;xx++){
        pair<int,int> of = ofertas[xx];
        pq.push({best_room(rooms, of, used),xx});
    }     
    
    while(o>0 and !pq.empty()){
        pair<pair<int,int>,int> p = pq.top();
        pq.pop();
        if(p.first.second==-1 or p.first.first<=0) continue;
        //cout << p.first.first << " " << p.first.second << " " << p.second << endl;
        if(used[p.first.second]){
            pq.push({best_room(rooms,ofertas[p.second], used),p.second});
        }
        else{
            profit += p.first.first;
            used[p.first.second] = true;
        }
        o--;
    }
    
    cout << profit << endl;

    return 0;
}

Compilation message

hot.cpp:29:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   29 | main(){
      | ^~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct

Subtask #2
0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #3
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	219 ms	1420 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4018 ms	2816 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4035 ms	3824 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #8
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4046 ms	6992 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #9
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4086 ms	13340 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #10
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	4005 ms	16680 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-