제출 #341978

#제출 시각아이디문제언어결과실행 시간메모리
341978cheissmartCONSUL (info1cup19_consul)C++14
0 / 100
1 ms364 KiB
#include "grader.h"
#ifdef CHEISSMART
#include "grader.cpp"
#endif
#include <bits/stdc++.h>

using namespace std;

void solve(int n) {
	set<int> asked;
	int qry = 0;
	auto is = [&] (int i) {
		int x = kth(i);
		qry++;
		if(asked.count(x)) return -1;
		asked.insert(x);
		qry++;
		if(cnt(x) * 3 > n) return x;
		else return -1;
	};
	mt19937 rng(5656);
	while(qry + 2 <= 60) {
		int pos = rng() % n + 1;
		int r = is(pos);
		if(r != -1) say_answer(r);
	}
 	say_answer(-1);
}
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