제출 #1151856

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1151856		arsen23	CONSUL (info1cup19_consul)	C++20	100 / 100	9 ms	420 KiB

consul

#include <bits/stdc++.h>
#include "grader.h"
#define all(v) v.begin(), v.end()
#define pb push_back
#define F first
#define S second
#define in insert

using namespace std;
typedef long long ll;

typedef unsigned long long ull;

const int N = 1e5 + 123;

const int P = 320;

const int mod = 1e9 + 7;

int n, m, k;

int a[N];

int b[N];

bool used[N];

bool usedd[N];

void solve(int n) {
	vector <int> v;
	
	for(int i = 1; i <= n; i++) {
		v.pb(i);
	}
	
	random_shuffle(all(v));
	
	for(int i = 0; i < min(n / 2 + 1, 30); i++) {
		int cur = kth(v[i]);
		 
		 if(cnt(cur) > n / 3) {
		 	say_answer(cur);
		 	
		 	return;
		 }
	}
	
	say_answer(-1);
}
	
// 28 37 48 49 55 56 57 58 67 9

// 9 + 1 +

• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 65 / 65