Submission #328878

#	Time	Username	Problem	Language	Result	Execution time	Memory
328878		blue	Carnival Tickets (IOI20_tickets)	C++17	0 / 100	1 ms	364 KiB

tickets

#include "tickets.h"
#include <vector>
#include <algorithm>
using namespace std;

long long find_maximum(int k, vector< vector<int> > x)
{
    int n = x.size();
    int m = x[0].size();

    vector< vector<int> > s(n);

    vector<int> t(m);
    for(int i = 0; i < m; i++) t[i] = i;
    for(int i = 0; i < n; i++) s[i] = t;

    long long res = 0;
    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < m/2; j++) res -= x[i][j];
        for(int j = m/2; j < m; j++) res += x[i][j];
    }

    allocate_tickets(s);
    return res;
}

• 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