Find the nth fib number
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Java: how do you make n threads run at the same time?
Write a program to fetch even natural numbers
Coding questions on String, Bit manipulation, trees, etc.
Given two files that has list of words (one per line), write a program to show the intersection.
You have a n number of cities. Lets say city 1 has some information that needs to be sent to all other n-1 cities using minimal cost. Cost between each pair of cities is given. any number of cities can transmit the information once they receive the information but the overall total cost should be minimum
You have a genealogy: 1) Describe a data structure to represent it. 2) Given any two people within the genealogy, describe an algorithm to determine if they share a common ancestor. You just need to return true/false, not all ancestors.
Reverse words in a sentence (a char[]) without using additional space. eg. "Hello there children" -> "children there Hello"
design a combinational circuit which counts the number of 1s in a 7-bit input .
Given a matrix with 1's and 0's, find the number of groups of 1's. A group is defined by horiz/vertically adjacent 1's.
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