You have a 100 coins laying flat on a table, each with a head side and a tail side. 10 of them are heads up, 90 are tails up. You can't feel, see or in any other way find out which side is up. Split the coins into two piles such that there are the same number of heads in each pile.
Cure world hunger.
tell me about yourself
Given an array of numbers, replace each number with the product of all the numbers in the array except the number itself *without* using division.
write a program in c/c++/java to print the pattern 1 2*2 3*3*3 4*4*4*4 4*4*4*4 3*3*3 2*2 1
How long do you plan to work here?
Given the numbers 1 to 1000, what is the minimum numbers guesses needed to find a specific number if you are given the hint "higher" or "lower" for each guess you make.
how do you get an Elephant in the fridge?
Unexpected: Puzzle question. If you have 2 eggs, and you want to figure out what's the highest floor from which you can drop the egg without breaking it, how would you do it? What's the optimal solution?
Given a string "aaabbbcc", compress it, = "a3b3c2" . Given that output string's length is always smaller than input string, you have do it inplace. No extra space
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