제출 #377338

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
377338		autumn_eel	카니발 티켓 (IOI20_tickets)	C++14	11 / 100	2 ms	748 KiB

tickets

#include "tickets.h"

#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
using namespace std;
typedef long long ll;

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

	vector<vector<int>>answer(n,vector<int>(m));

	vector<int>v;
	rep(i,n){
		rep(j,m){
			answer[i][j]=0;
			v.push_back(x[i][j]);
		}
	}

	sort(v.begin(),v.end());
	int med=v[v.size()/2];

	ll ans=0;
	rep(i,v.size()){
		ans+=abs(v[i]-med);
	}
	allocate_tickets(answer);
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:4:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(i,n)for(int i=0;i<(n);i++)
      |                              ^
tickets.cpp:26:2: note: in expansion of macro 'rep'
   26 |  rep(i,v.size()){
      |  ^~~

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