Problem3379--【语言基础】字符串练习-abc399a-Hamming Distance

3379: 【语言基础】字符串练习-abc399a-Hamming Distance

[Creator : ]
Time Limit : 1.000 sec  Memory Limit : 128 MB

Description

Sample Input Copy

6
abcarc
agcahc

Sample Output Copy

2

Source/Category