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 程式師世界 >> 編程語言 >> C語言 >> C++ >> 關於C++ >> leetcode 152: Compare Version Numbers

leetcode 152: Compare Version Numbers

編輯:關於C++

Compare Version Numbers

Total Accepted: 2468 Total Submissions: 17382

Compare two version numbers version1 and version1.
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 < 13.37

Credits:
Special thanks to @ts for adding this problem and creating all test cases.



public class Solution {
    public int compareVersion(String version1, String version2) {
        if(version1 == null || version2 ==null) return 0;
        
        String[] v1 = version1.split("\\.");
        String[] v2 = version2.split("\\.");
        
        int n1 = v1.length;
        int n2 = v2.length;
        
        int i=0;
        
        while(i x2) return 1;
            else if(x1 < x2) return -1;
            else ++i;
        }
        
        return 0;
        
     }
}



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