Python Code Interview Questions

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The sum of three numbers is 20. The second number is 4 times the first number , and the sum of the first and third is8. Find the numbers.

If basic HR function like recruitment, training are outsoureced then, why do companies have their own HR department?

Given a N by N matrix of both negative and positive integers. Write an efficient algorithm to find the sub-matrix with the largest sum of all the contained elements.

736Write a function, tokenize_string(input_string, delimiter_list) that returns a list of strings that are separated by the delimiters. For example: tokenize_string("How now, Mrs. Brown Cow") returns ['How', 'now', 'Mrs', 'Brown', 'Cow']

Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"

663Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.

656Write a function that takes an array of integers and returns that array rotated by N positions. For example, if N=2, given the input array [1, 2, 3, 4, 5, 6] the function should return [5, 6, 1, 2, 3, 4]

1159Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.

700Write a function that takes as input a binary tree, and prints out each level of the tree on a newline. For example: a / b c / / d e f will output: a b c d e f

764Write a function that takes an integer and returns the smallest number that is greater than the given number which is a palendrome. For example, if the input was 111 the next palindromic number would be 121.

831Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].

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Discuss an algorithm to traverse a tree, depth first.

Write a function that takes an integer and returns the smallest number that is greater than the given number which is a palendrome. For example, if the input was 111 the next palindromic number would be 121.

Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.

Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"

Write a function that takes an array of integers and returns that array rotated by N positions. For example, if N=2, given the input array [1, 2, 3, 4, 5, 6] the function should return [5, 6, 1, 2, 3, 4]

Write a function that takes as input a binary tree, and prints out each level of the tree on a newline. For example: a / b c / / d e f will output: a b c d e f

Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.

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Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].

Given a N by N matrix of both negative and positive integers. Write an efficient algorithm to find the sub-matrix with the largest sum of all the contained elements.