제출 #421242

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
421242		Monchito	카니발 티켓 (IOI20_tickets)	C++14	0 / 100	1 ms	204 KiB

tickets

#include "tickets.h"
#include <vector>
#include <iostream>
#include <algorithm>
#include <deque>

using namespace std;
using ll = long long;
using ii = pair<int,int>;
using vi = vector<int>;
using vvi = vector<vi>;

const ll INF = 1e18;

int n, m, K;
vector<vi> answer;
deque<pair<int,ll>> hi, lo;

ll find_maximum(int k, vvi x){
	n = x.size();
	m = x[0].size();

	answer = vvi(n, vi(m, -1));
    ll S = 0, max_value = -INF, min_value = INF; 

    for(int i=0; i<n; i++){
        answer[i][0] = 0;
        max_value = max((ll)x[i][0], max_value);
        min_value = min((ll)x[i][0], min_value);
    }

    ll mid_floor = (max_value + min_value) / 2;
    ll mid_ceil = (max_value + min_value + 1) / 2;

    ll s1, s2; s1 = s2 = 0;
    for(int i=0; i<n; i++) s1 += abs(x[i][0] - mid_floor);
    for(int i=0; i<n; i++) s2 += abs(x[i][0] - mid_ceil);
    
  	allocate_tickets(answer);
    return min(s1, s2);
}

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'll find_maximum(int, vvi)':
tickets.cpp:24:8: warning: unused variable 'S' [-Wunused-variable]
   24 |     ll S = 0, max_value = -INF, min_value = INF;
      |        ^

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