Submission #433722

#	Time	Username	Problem	Language	Result	Execution time	Memory
433722		SAAD	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	2 ms	688 KiB

tickets

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

long long find_maximum(int k, vector<vector<int>> x) {
    vector<vector<int>> x1(x.size()) ;
    long long s = 0 ;
    int sum = 0;
    for (int i = 0; i < x.size(); i++) {
        sum += x[i][0];
        x1[i].push_back(0);
    }
    sort(x.begin(),x.end());
    sum = x[x.size()/2][0] + x[x.size() / 2 - 1][0];
    sum /= 2;
    s = 0;
      for (int i = 0; i < x.size(); i++)
          s += abs(x[i][0] - sum);
    allocate_tickets(x1);
    return s ;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i = 0; i < x.size(); i++) {
      |                     ~~^~~~~~~~~~
tickets.cpp:21:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |       for (int i = 0; i < x.size(); i++)
      |                       ~~^~~~~~~~~~

• 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