Category: brute force

For a web developer, it is very important to know how to design a web page’s size. So, given a specific rectangular web page’s area, your job by now …

Given a non-negative integer c, your task is to decide whether there’re two integers a and b such that a^2 + b^2 = c. Example 1: Input: 5 Output: …

Given an array A of integers, return true if and only if we can partition the array into three non-empty parts with equal sums. Formally, we can partition the …

Given a positive integer num, write a function which returns True if num is a perfect square else False. Note: Do not use any built-in library function such as …

Given n non-negative integers a1, a2, …, an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of …