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Submission #384764

# Submission time Handle Problem Language Result Execution time Memory
384764 2021-04-02T08:05:05 Z nicholask Carnival Tickets (IOI20_tickets) C++14
27 / 100
 669 ms 65724 KB 
#include "tickets.h"
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
using namespace std;
long long find_maximum(int k,vector <vector <int> > x){
	ll n=x.size(),m=x[0].size();
	vector <vector <int> > ans(n,vector <int>(m,-1));
	if (k==1){
		ll sum=0;
		priority_queue <pair <ll,ll>,vector <pair <ll,ll> >,greater <pair <ll,ll> > > pq;
		for (ll i=0; i<n; i++){
			sum+=x[i][m-1];
			pq.push({x[i][0]+x[i][m-1],i});
		}
		for (ll i=0; i<n; i++){
			if (i<n/2){
				sum-=pq.top().first;
				ans[pq.top().second][0]=0;
			} else ans[pq.top().second][m-1]=0;
			pq.pop();
		}
		allocate_tickets(ans);
		return sum;
	}
}

Compilation message

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:8:49: warning: control reaches end of non-void function [-Wreturn-type]
    8 |  vector <vector <int> > ans(n,vector <int>(m,-1));
      |                                                 ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 748 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 28 ms 3308 KB Output is correct
6 Correct 669 ms 65724 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 620 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 620 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 620 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 620 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 3 ms 492 KB Output is correct
11 Correct 28 ms 3308 KB Output is correct
12 Correct 669 ms 65724 KB Output is correct
13 Runtime error 3 ms 620 KB Execution killed with signal 6
14 Halted 0 ms 0 KB -