제출 #365223

#제출 시각아이디문제언어결과실행 시간메모리
365223tengiz05CONSUL (info1cup19_consul)C++17
0 / 100
2 ms364 KiB
#include "grader.h"
#ifndef EVAL
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
using namespace std;
void solve(int n){
	vector<int> inds;
	for(int i=1;i<=n;i++)inds.push_back(i);
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	shuffle(inds.begin(), inds.end(), rng);
	int numq = min(n,30);
	for(int i=0;i<numq;i++){
		int x = kth(inds[i]);
		int c = cnt(inds[i]);
		if(c > n/3){
			say_answer(x);
			return;
		}
	}
	say_answer(-1);
	return;
}


/*

2
9
4 2 3 4 1 2 5 4

9
4 2 3 4 4 2 5 4



*/
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