Tip 1 : Be thorough with data structures
Tip 2 : Brush up your main subjects
Tip 3 : Do at least 2 projects
Tip 1 : Have some projects on resume.
Tip 2 : Mention any training you took.
Tip 3 : Do not put false things on resume.
DSA - 20 questions
Aptitude - 20 questions
Number Of MCQs - 40
DSA questions + aptitude + puzzles
Tip 1 : Read Galvin for OS thoroughly.
Tip 2 : Do practice for SQL queries.
Tip 3 : Do practice for aptitude questions.



1. Pair (x,y) and Pair(y,x) are considered as the same pair.
2. If there exists no such pair with sum equals to 'TARGET', then return -1.
Let ‘ARR’ = [1 2 3] and ‘TARGET’ = 4. Then, there exists only one pair in ‘ARR’ with a sum of 4 which is (1, 3). (1, 3) and (3, 1) are counted as only one pair.
Step 1 : Solved using map.
Step 2 : Explained to the interviewer.
Step 3 : Interviewer modified the question and asked again.
Step 4 : I explained with optimization.
Give your Introduction.
What are your hobbies?
What are your favourite subjects in college?

Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
How do you remove whitespace from the start of a string?