제출 #986139

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
986139		amirala21	Guess the number (BOI20_guess)	Cpython 3	0 / 100	11 ms	2904 KiB

Guess

# -*- coding: utf-8 -*-
"""
Created on Sun May 19 23:49:29 2024

@author: amirk
"""

def binary_search(l,n):
    mid=int((n+l)/2)
    if(l<=n):
        print(f'? {mid}')
    q=int(input())
    if q==-1:
        binary_search(mid+1,N )
    elif q==1:
        binary_search(l, mid-1)
    elif q==0:
        return "= "+str(mid)
    else:
        return "Error"
    return 'E'
    

N=int(input())
L=1

print(binary_search(L, N))

• Subtask 1: 0 / 29
• Subtask 2: 0 / 71