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
        v1 = version1.split('.')
        v2 = version2.split('.')

        i=0
        while i<len(v1) or i<len(v2):
            if i>=len(v1):
                t1 = 0
            else:
                t1 = int(v1[i])
            if i>=len(v2):
                t2 = 0
            else:
                t2 = int(v2[i])

            if t1>t2:
                return 1
            elif t1<t2:
                return -1
            else:
                i+=1
 
        return 0