Tip 1 : Practice from Leetcode, solve Leetcode medium level problems.
Tip 2 : Brush up computer fundamentals from subjects like OS, DBMS and CN.
Tip 3 : Have a good project or good internship experience and have in-depth knowledge regarding what you have done.
Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume
Down: (row+1,col)
Right: (row, col+1)
Down right diagonal: (row+1, col+1)
Note that the level order traversal must not contain any null values, simply return the tree in level order.
Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
Which SQL keyword removes duplicate records from a result set?