Python示例代码:
# -*- coding: UTF-8 -*-
"""
# 判断一个数对应的二进制数是否是回文
"""
def judge(num):
"""
:param num:
:return:
"""
# (1) 获取对应的二进制
# 方法一
binary_str = str(bin(num)[2:])
# 方法二
# binary_str = ""
# while num != 0:
# # 整数部分
# n = num // 2
# # 余数部分
# m = num % 2
# binary_str = binary_str + str(m)
# num = n
print("binary_str: %s." % binary_str)
# (2) 判断是不是回文
# 方法1: 反转
binary_str_reverse = binary_str[::-1]
print("binary_str_reverse: %s." % binary_str_reverse)
# 方法2: 双指针对比
binary_str_len = len(binary_str)
for i in range(0, binary_str_len // 2):
print("%s, %s." % (i, binary_str_len - 1 - i))
if binary_str[i] != binary_str[binary_str_len - 1 - i]:
return False
return True
if __name__ == '__main__':
num = input()
result = judge(int(num))
print(result)