제출 #401159

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
401159		my99n	카니발 티켓 (IOI20_tickets)	C++14	11 / 100	2 ms	588 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;

long long findanswer (vector<int> round) {
  sort(all(round));
  long long med = round[round.size()/2];
  long long ans = 0;
  for (int i = 0; i < round.size(); i++) {
    ans += abs(med-round[i]);
  }
  return ans;
}

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

	vector<vector<int>> answer;
	for (int i = 0; i < n; i++) {
		vector<int> row(m);
		for (int j = 0; j < m; j++) {
			if (j < k) {
				row[j] = j;
			} else {
				row[j] = -1;
			}
		}
		answer.push_back(row);
  }
	allocate_tickets(answer);

  vector<int> round;
  for (int i = 0; i < n; i++) {
    round.push_back(x[i][0]);
  }

	return findanswer(round);
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'long long int findanswer(std::vector<int>)':
tickets.cpp:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |   for (int i = 0; i < round.size(); i++) {
      |                   ~~^~~~~~~~~~~~~~

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