Subtract the Product and Sum of Digits of an Integer
Given an integer number n, return the difference between the product of its digits and the sum of its digits. Example 1: Input: n = 234 Output: 15 Explanation: …
Tag: C++ coding exercise
Algorithm to Find the Winner on a Tic Tac Toe Game
Tic-tac-toe is played by two players A and B on a 3 x 3 grid. Here are the rules of Tic-Tac-Toe: Players take turns placing characters into empty squares …
How to Compute the Interval List Intersections using Two Pointer Algorithms?
Given two lists of closed intervals, each list of intervals is pairwise disjoint and in sorted order. Return the intersection of these two interval lists. (Formally, a closed interval …
How to Summary Ranges using O(N) Two Pointer Algorithm?
Given a sorted integer array without duplicates, return the summary of its ranges. Example 1: Input: Output: Explanation: 0,1,2 form a continuous range; 4,5 form a continuous range. Example …
The Contiguous Binary Array with Equal Numbers of Ones and Zeros
Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input: Output: 2 Explanation: is the longest contiguous …