Pourquoi Air Transat
MISSING VALUE Interview Questions
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""" # Question 2: # Fill in the blanks # # Given an array containing None values fill in the None values # with most recent non None value in the array # # For example: # - input array: [1,None,2,3,None,None,5,None] # # - output array: [1,1,2,3,3,3,5,5] #
1) Provided a table with user_id and dates they visited platform, find the top 100 users with the longest continuous streak of visiting the platform as of yesterday. 2) Provided a table with page_id, event timestamp and a flag for a state (which is on/off), find the number of pages that are currently on.
A Russian gangster kidnaps you. He puts two bullets in consecutive order in an empty six-round revolver, spins it, points it at your head and shoots. *click* You're still alive. He then asks you, do you want me to spin it again and fire or pull the trigger again. For each option, what is the probability that you'll be shot?
Given a string of an arithmetic expression, composed of numbers, '+' and '*', calculate the result - e.g. "2+4*5*7"
Implement a function string balanceParanthesis(string s); which given a string s consisting of some parenthesis returns a string s1 in which parenthesis are balanced and differences between s and s1 are minimum. Eg - "(ab(xy)u)2)" -> "(ab(xy)u)2" ")))(((" -> ""
Find the deepest common ancestor of two nodes in a tree structure.
I can't hear the video on my iPad, can you help me?
What’s your availability this summer
Do you have tattoos? ANSWER: NO.....no matter what!!!!
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