How Many Squares/Rectangles Does a Rubik Cube Have?
A Rubik cube usually have 6 sides. Take 3×3 rubik cube for example, each side has 9 little squares (1×1), 4 medium squares (2×2) and 1 big square (3×3). …
Category: brute force
How to Convert Integer to the Sum of Two No-Zero Integers?
Given an integer n. No-Zero integer is a positive integer which doesn’t contain any 0 in its decimal representation. Return a list of two integers where: A and B …
Compute the Sequential Digits within a Range using DFS, BFS, or Bruteforce Algorithms
An integer has sequential digits if and only if each digit in the number is one more than the previous digit. Return a sorted list of all the integers …
Bruteforce or Line Sweep Algorithms to Remove Covered Intervals
December 17, 2019
algorithms, brute force, c / c++, line sweep algorithm, programming languages
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Given a list of intervals, remove all intervals that are covered by another interval in the list. Interval ,,] Output: 2 Explanation: Interval is covered by , therefore it …
Walking Robot Simulation Algorithm with Obstacles Detection
A robot on an infinite grid starts at point (0, 0) and faces north. The robot can receive one of three possible types of commands: -2: turn left 90 …