Submission #41050

#	Time	Username	Problem	Language	Result	Execution time	Memory
41050		didwlvv	Hotter Colder (IOI10_hottercolder)	C++14	0 / 100	952 ms	76176 KiB

hottercolder

#include "grader.h"
#include<cstdio>
#include<cmath>
int HC(int N){
	Guess(N);
	int cnt = 1;
	int le = 1;
	int ri = N;
	int g = N;
	bool f = true;
	while (le < ri) {
	//printf("%d\n", cnt++);
		int mid = (le + ri) / 2;
		int ok = Guess(mid);
		if (f) {
			if (ok == 1) {
				if (mid != 1) {
					int ook = Guess(mid - 1);
					g = mid - 1;
					if (ook == 1) {
						ri = mid - 1;
 
					}
					else if (ook == -1) {
						le = mid;
						f = 0;
					}
				}
				else {
					return mid;
				}
 
			}
			else if (ok == -1) {
				g = mid;
				le = mid + (ri - mid) / 2;
			}
			else {
				ri--;
			}
		}
		else{
			if (ok == 1) {
				if (mid != N) {
					int ook = Guess(mid + 1);
					g = mid + 1;
					if (ook == 1) {
						le = mid + 1;
 
					}
					else if (ook == -1) {
						ri = mid;
						f = 1;
					}
				}
				else {
					return mid;
				}
 
			}
			else if (ok == -1) {
				g = mid;
				ri = mid + (mid - le) / 2;
			}
			else {
				le++;
			}
		}
 
	}
	return le;
}

Compilation message (stderr)

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:6:6: warning: unused variable 'cnt' [-Wunused-variable]
  int cnt = 1;
      ^~~
hottercolder.cpp:9:6: warning: variable 'g' set but not used [-Wunused-but-set-variable]
  int g = N;
      ^

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