Pick the closest k points.
Software Interview Questions
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How to find a number which exist odd times in a list
Calculate the square root of a number.
make a function that counts the number of nodes in a tree
2nd largest number in an array
How can we store the name of street in a map service? Because street names have characters in common.
How to find a string in a large file storage
First phone screen: Print all the nodes of a tree in reverse level order (ie print all the nodes at the leaves first, then print the nodes on the level above the leaves, and then eventually work your way to the top).
Come up with a formula to calculate the angle between the hour hand and the minute hand in a clock.
- Find k-th element from the end of the singlylinked list in single pass?
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