题解 | #比较版本号#

#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 比较版本号
# @param version1 string字符串 
# @param version2 string字符串 
# @return int整型
#
class Solution:
    def compare(self , version1: str, version2: str) -> int:
        # write code here
        ver1 = [int(x) for x in version1.split('.')]
        ver2 = [int(x) for x in version2.split('.')]
        len1 = len(ver1)
        len2 = len(ver2)

        if len1>len2:
            length = len1
            while len2<len1:
                len2 += 1
                ver2.append(0)
        else:
            length = len2
            while len1<len2:
                len1 += 1
                ver1.append(0)
        ver_num1 = 0
        ver_num2 = 0
        for i in range(length):
                ver_num1 = ver_num1*10 + ver1[i]
                ver_num2 = ver_num2*10 + ver2[i]
        
        if ver_num1 > ver_num2:
            return 1
        elif ver_num1 < ver_num2:
            return -1
        else:
            return 0