Submission #41052

#	Time	Username	Problem	Language	Result	Execution time	Memory
41052		meylady	Hotter Colder (IOI10_hottercolder)	C++14	25 / 100	10090 ms	8056 KiB

hottercolder

#include "grader.h"


int HC(int N){
	if (N == 1)return N;
	int left = 1;
	int right = N;
	Guess(1);
	if (N == 2) {
		if (Guess(2) == 1)return 2;
		return 1;
	}

	int mid = (left + right) / 2;
	while (left < right) {
	
		mid = (left + right) / 2;
		
		int query = Guess(mid);
		if (query == 1) {//hotter
			left = mid+1;
		}
		else if (query == -1) {//colder
			right = mid-1;
		}
		else {// same
			right = mid - 1;
			left = left + 1;
		}
		
	}

	if (right < left) {
		Guess(right);
		while (right > 1) {
			if (Guess(right - 1) == -1)return right;
			right--;
		}
		return right;
	}
	else {
		Guess(left);
		while (left > 1) {
			if (Guess(left - 1) == -1)return left;
			left--;
		}
		return left;
	}
}

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