Submission #41061

#	Time	Username	Problem	Language	Result	Execution time	Memory
41061		ljk0411jg	Hotter Colder (IOI10_hottercolder)	C++14	0 / 100	775 ms	140524 KiB

hottercolder

#include "grader.h"

int HC(int N) {
	int l, r, ret1, ret2, mid, result = 1;
	r = N;
	ret1 = Guess(r);
	l = 1;
	ret2 = Guess(l);
	mid = (l + r) / 2;
	while (l <= r)
	{
		if (l == r)
		{
			result = l;
			break;
		}
		if (ret2 == 0)
		{
			result = mid;
			break;
		}
		else if (ret2 > 0)
		{
			r = mid;
			if (r == 0)
			{
				result = 1;
				break;
			}
			ret2 = Guess(r);
		}
		else
		{
			l = mid + 1;
			if (l == N + 1)
			{
				result = N;
				break;
			}
			ret2 = Guess(l);
		}
		mid = (l + r) / 2;
	}
	return result;
}

Compilation message (stderr)

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:4:12: warning: variable 'ret1' set but not used [-Wunused-but-set-variable]
  int l, r, ret1, ret2, mid, result = 1;
            ^~~~

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