Submission #64243

#	Time	Username	Problem	Language	Result	Execution time	Memory
64243		gnoor	Hotter Colder (IOI10_hottercolder)	C++17	77 / 100	834 ms	8312 KiB

hottercolder

#include "grader.h"

int HC(int N){
	//int g = Guess(1);
	int lo=1;
	int hi=N;
	int lmid;
	int rmid;
	int res;
	while (lo<hi) {
		lmid=lo+(hi-lo)/3;
		rmid=hi-(hi-lo)/3;
		Guess(lmid);
		res=Guess(rmid);
		if (res==0) return (lmid+rmid)>>1;
		if (res<0) {
			//lmid side
			hi=((lmid+rmid)>>1)-((rmid-lmid+1)%2);
		} else {
			//rmid side
			lo=((lmid+rmid)>>1)+1;
		}
	}
	return lo;
}

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