LeetCode OJ 系列之165 Compare Version Numbers --Python
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Problem:
Compare two version numbers version1 and version2.
If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0.
You may assume that the version strings are non-empty and contain only digits and the .
character.
The .
character does not represent a decimal point and is used to separate number sequences.
For instance, 2.5
is not "two and a half" or "half way to version three", it is the fifth second-level revision of the second first-level revision.
Here is an example of version numbers ordering:
0.1 < 1.1 < 1.2 < 13.37Answer:
class Solution(object): def compareVersion(self, version1, version2): """ :type version1: str :type version2: str :rtype: int """ tmp1 = version1.split('.') tmp2 = version2.split('.') if len(tmp1)<len(tmp2): for i in range(len(tmp1),len(tmp2)): tmp1.append('0') elif len(tmp1)>len(tmp2): for i in range(len(tmp2),len(tmp1)): tmp2.append('0') for i in range(len(tmp1)): if int(tmp1[i])>int(tmp2[i]): return 1 if int(tmp1[i])<int(tmp2[i]): return -1 return 0
0 0
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