Tag: data structure

Question: You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add …

Task: Merge two given sorted integer array A and B into a new sorted integer array. Example A=, B=, return This is the final step of the merge sort …

I was recently being asked by this question: How do you Design a Circular FIFO (First-In First-out) Buffer (Queue) in C? You need to implement two methods: fifoRead and …

Nested String A string S consisting of N characters is considered to be properly nested if any of the following conditions is true: S is empty; S has the …

In this post, we present the final ‘optimized’ solution using Dynamic Programming, which is implemented using a 2 dimensional array with iteration. Let’s review this code: function f($x, $y) …