제출 #1082159

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1082159		wood	카니발 티켓 (IOI20_tickets)	C++17	0 / 100	1 ms	348 KiB

tickets

#include "tickets.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define ll long long
#define pb push_back

long long find_maximum(int k, std::vector<std::vector<int>> x) {
    int n = x.size(), m = x[0].size();
    vector<vi> ans;
    for(int i = 0; i<m; i++) ans.pb({x[i][0]});
    int l = 0, r = 2e9;
    while (r-l>1){
		int mid = (r+l)/2;
		ll dif = 0;
		for(int i = 0; i<n; i++) dif+=mid-ans[i][0];
		if(dif<0) l = mid;
		else r=mid;
    }
    int ldif = 0, rdif = 0;
    for(int i = 0; i<n; i++) ldif+=abs(l-ans[i][0]);
    for(int i = 0; i<n; i++) rdif+=abs(r-ans[i][0]);
    return min(ldif,rdif);
}

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• Subtask 3: 0 / 14
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• Subtask 7: 0 / 10