Submission #471254

#	Time	Username	Problem	Language	Result	Execution time	Memory
471254		Cross_Ratio	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	716 KiB

tickets

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

//void allocate_tickets(vector<vector<int>>);


long long find_maximum(int k, vector<vector<int> > x) {
    int N = x.size();
    int M = x[0].size();
    vector<vector<int> > ans;
    ans.resize(N);
    int i;
    for(i=0;i<N;i++) ans[i].resize(M);
	for(i=0;i<N;i++) ans[i][0] = 0;
	long long int cnt = 0;
	vector<int> V;
	for(i=0;i<N;i++) V.push_back(x[i][0]);
	sort(V.begin(),V.end());
	for(i=0;i<N;i++) {
        if(i<N/2) cnt -= V[i];
        else cnt += V[i];
	}
	allocate_tickets(ans);
	return cnt;
}

• Subtask 1: 11 / 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