Given an input of a 3D matrix of ones and zeros, count the number of contiguous 1-filled regions (as separated by 0-filled regions), as well as the size of the largest one (I think; doesn't really change the problem much). I forget what these were called...
Given an array of n unsorted ints, with the condition that each number is at most k positions away from its final sorted position, give an efficient sorting algorithm.
If you have a calculator with only the number zero and every single operator, how can you get the number 24?
Verify BST
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A king wants to hold a party, for which he has 8 kegs of wine, one of which he knows is poisoned. If someone consumes any of the poisoned wine, he will drop dead in exactly one months time. The king has 3 servants who have volunteered their lives to test the kegs of wine. What is the shortest amount of time in which the king can identify which keg of wine is poisoned and dispose of it so he can hold the party.
Starting from a top level directory how would you find files having same content ?
X and Y equal $2.50. X is twice the cost of Y. What are X and Y respectively?
if you roll a dice 2 times what is the probability of getting the same number
It is currently 10h02. What is the angle between the two hands
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