填空题
Text Diff
发布于 2022-03-03 17:21:29
Alice made some changes to a text file and she wants to know which lines are changed and compare the before and after line contents. Can you help her with this?
输入描述：
The first line contains two integers m (1 
m 
1000) and n (1 
n 
1000) – the number of lines in the original text and in the modified text separately. The following m lines are the original text and the next n lines compose the modified text. The length of each text line is in the range [0, 100]. Note that m may not be equal to n.输入样例：
3 4
a
bb
ccc
aa
bb
ccc
dddd 输出描述：
The result of the comparison is based on original text. If one line is not modified, just output the line with one leading space ‘ ‘. If this line is modified, output two lines: the original line leading with a ‘-‘ and the modified line leading with a ‘+’.输出样例
-a
+aa
bb
ccc
+dddd
m 1000) and n (1 n 1000) – the number of lines in the original text and in the modified text separately. The following m lines are the original text and the next n lines compose the modified text. The length of each text line is in the range [0, 100]. Note that m may not be equal to n.输入样例：
3 4
a
bb
ccc
aa
bb
ccc
dddd 输出描述：
The result of the comparison is based on original text. If one line is not modified, just output the line with one leading space ‘ ‘. If this line is modified, output two lines: the original line leading with a ‘-‘ and the modified line leading with a ‘+’.输出样例
-a
+aa
bb
ccc
+dddd关注者
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