1. How to print line before and after a line that matches with a specific string
2. File read and write operations related
3. Different ways to do String reverse

Question

1. How to print line before and after a line that matches with a specific string 
2. File read and write operations related
3. Different ways to do String reverse

Sigiloso · Accepted Answer

1. Parse through the file first time to Store the line numbers, parse through the file second time to print the lines before and after the string that matches a particular line 

2. Basic file I/o

3. I could do only one way using 2 for loops, interviewer  was looking for more optimized or easier solution

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