In MATLAB, there is a handy function called reshape which can reshape an m x n matrix into a new one with a different size r x c keeping …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer list nums containing 0s and 1s. Consider an operation where we pick an index i …
In Java, we can use the String’s extension method startsWith to check if it starts with a prefix. We can even specify the start position for the string matching …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given two lists of integers nums, and target, consider an operation where you take some sublist in nums and reverse …
In Java, we can use the handy String’s method Split to split a string by the given delimiter into array of strings. Have you wondered how it is implemented? …
Teaching Kids Programming: Videos on Data Structures and Algorithms Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 …