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Submission #41059

# Submission time Handle Problem Language Result Execution time Memory
41059 2018-02-12T08:02:36 Z didwlvv Hotter Colder (IOI10_hottercolder) C++14
0 / 100
 774 ms 21896 KB 
#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;
		if (mid == g) {
			if(f)return le;
			else return ri;
		}
		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 if (ok == -1) {
				g = mid;
				le = mid + (ri - mid) / 2;
			}
			else {
				le++;
			}
		}
		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 if (ok == -1) {
				g = mid;
				ri = mid + (mid - le) / 2;
			}
			else {
				ri--;
			}
		}

	}
	return le;
}

Compilation message

hottercolder.cpp: In function 'int HC(int)':
hottercolder.cpp:6:6: warning: unused variable 'cnt' [-Wunused-variable]
  int cnt = 1;
      ^~~

Subtask #1
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 3060 KB Output isn't correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 3064 KB Output isn't correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 34 ms 3064 KB Output isn't correct

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 774 ms 21896 KB Output isn't correct - alpha = 0.000000000000