Introducing the Pancake Sorting Algorithm
Given an array of integers A, We need to sort the array performing a series of pancake flips. In one pancake flip we do the following steps: Choose an …
Category: python
Minimum Numbers of Function Calls to Make Target Array
Consider the following function to make changes to an array of numbers: func modify(arr, op, idx) { // add by 1 index idx if (op == 0) { arr …
DFS and BFS Algorithm to Find Numbers With Same Consecutive Differences
Return all non-negative integers of length N such that the absolute difference between every two consecutive digits is K. Note that every number in the answer must not have …
Using Bitmasking Algorithm to Compute the Combinations of an Array
Given two integers n and k, return all possible combinations of k numbers out of 1 … n. Example: Input: n = 4, k = 2 Output: , , …
Python Function to Convert Excel Sheet Column Titles to Numbers
Given a column title as appear in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> …