제출 #706328

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
706328		SamNguyen	Hotter Colder (IOI10_hottercolder)	C++14	25 / 100	795 ms	10552 KiB

hottercolder

#include "grader.h"
#include <bits/stdc++.h>
using namespace std;

const int HOTTER = 1, COLDER = -1, SAME = 0;

template <class Func>
int FIND_SMALLEST(int l, int r, Func f) {
	int res = r + 1;
	while (l <= r) {
		int m = (l + r) >> 1;
		if (f(m)) res = m, r = m - 1;
		else l = m + 1;
	}
	return res;
}

template <class Func>
int FIND_LARGEST(int l, int r, Func f) {
	int res = l - 1;
	while (l <= r) {
		int m = (l + r) >> 1;
		if (f(m)) res = m, l = m + 1;
		else r = m - 1;
	}
	return res;
}

mt19937 rnd(time(NULL));

int solve(int l, int r, int old = 0) {
	if (old == l) {
		int id = Guess(r);
		int m = (l + r) >> 1;
		if (id == SAME)
			return m;
		if (id == HOTTER)
			return solve(m + 1, r, r);
		return solve(l, m, 0);
	}

	if (old == r) {
		int id = Guess(l);
		int m = (l + r + 1) >> 1;
		if (id == SAME)
			return m;
		if (id == HOTTER)
			return solve(l, m - 1, r);
		return solve(m, r, 0);
	}

	int x = (rnd() & 1) ? l : r;
	Guess(x);
	return solve(l, r, x);
}

int HC(int N) {
	return solve(1, N);
}

• Subtask 1: 25 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25