Submission #1226568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226568		HappyCapybara	Carnival Tickets (IOI20_tickets)	C++17	0 / 100	0 ms	328 KiB

tickets

#include "tickets.h"
#include<bits/stdc++.h>
using namespace std;

#define ll long long

ll find_maximum(int k, vector<vector<int>> x){
	int n = x.size();
	int m = x[0].size();
	if (k == m){
		vector<int> at;
		for (int i=0; i<n; i++){
			for (int j=0; j<m; j++) at.push_back(x[i][j]);
		}
		sort(at.begin(), at.end());
		ll res = 0;
		for (int i=0; i<k*n/2; i++) res -= at[i];
		for (int i=k*n/2; i<k*n; i++) res += at[i];
		return res;
	}
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type]
   21 | }
      | ^

• Subtask 1: 0 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10