Try to figure out the top unique search queries from a database with 100 billion entries
Software Engineers Interview Questions
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Round 1 Given a bitmap, use a quaTree data structure to represent the bitmap. The maps are all squares with black or white pixels and the length of the map is 2^n (you can always divide the map into 4 smaller parts). Then give you a root node of a quaTree, calculate the total black pixel in this map. Follow up: Given two root node, generate the intersection of these two maps.
Write a code that show all possible permutation from a given String.
Only one programming questions. Input a string, including numbers, operands, and brackets. Calculate the result. Test case: input: "(+ 3 3)": Output: 6 input "(* 3 3)" Output: 9 input: "(+ 1 12 (- 17 3) 5 (* 2 8 (/ 120 4)) 46)", Output: 1 + 12 + (17 - 3) + 5 + (2 * 8 * (120 / 4)) + 46 = 558
consider one situation, 9,9,9,9 to 1,0,0,0,0.
Find the shortest distance between two points in a 2D grid world (bfs).
Given two identical strings, where one string has a random character inserted, return the random inserted character.
Given an int array A, return an int array B that A[i + B[i]] is the first element in A after A[i] that is greater than or equal to A[i]
Q: List all comments in the given segment of codes.
Standard algorithms and data structures questions.
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