Tip 1 : practice daily 1 to 2 hours.
Tip 2 : clear every basic concept.
Tip 3 : search interview questions which available on google related to topics
Tip 1 : be specific about your skills mention your projects
Tip 2 : short resume with important skills and training is good


Input: [1,2,3,1]
Output: 4
Mr. X. can rob the first house and the third house, total money = 1 + 3.
Hence, the total money robbed by Mr. X. is 4.
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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?