제출 #1119903

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1119903		dsyz	카니발 티켓 (IOI20_tickets)	C++17	0 / 100	1 ms	504 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
using ll = long long;
#define MAXN (1000005)

long long find_maximum(int k, vector<vector<int>> x) {
	ll N = x.size();
	ll M = x[0].size();
	vector<ll> all;
	for(ll i = 0;i < N;i++){
		for(ll j = 0;j < N;j++){
			all.push_back(x[i][j]);
		}
	}
	sort(all.begin(),all.end());
	pair<ll,ll> best = {-1,-1};
	for(auto b : all){
		ll sum = 0;
		for(ll i = 0;i < N;i++){
			sum += abs(b - x[i][0]);
		}
		best = max(best,{sum,b});
	}
	vector<vector<int> > ans;
	vector<int> row;
	for(ll i = 0;i < N;i++){
		row.push_back(0);
	}
	ans.push_back(row);
	allocate_tickets(ans);
	return best.first;
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:9:5: warning: unused variable 'M' [-Wunused-variable]
    9 |  ll M = x[0].size();
      |     ^

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