How many places are there on the earth that one could walk one mile south, then one mile east, then one mile north and end up in the same spot?
Interns Interview Questions
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What kind of workspace do you prefer for coding
if A! + B! + C! = ABC and A, B, C are single digit numbers, find A, B, and C.
counting sort, binary tree preorder traversal, binary tree inorder traversal, keys and boxes (leetcode 1298)
Write a function to remove all redundant characters in a given string.
Remove duplicates from a linked list. O(n) time.
How will you make this code readable (given a piece of code)
Not hard at all.
write a function to print the frequency of characters eg. Input : aabbbc Output: a2b3c1
Technical Given an unsorted array of numbers (that may contain repeated numbers), print or produce a data structure that contains all the pairs that have a sum equal to a number k. Do not include pairs that are the same numbers in a different order. Ex. [3,2,6,2,0,5,3,8,7,10] [(0,10),(2,8),(3,7)]
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