Simulation Coding Problems

Model real-world processes step by step

185
Total Problems
78
Easy
92
Medium
14
Hard
Start Practicing

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Simulation Coding Problems

Practice problems frequently asked at Simulation 185 problems | 78 Easy | 92 Medium | 14 Hard

# Problem Difficulty Topics
136 Read N Characters Given Read4 Easy
ArraySimulationInteractive
137 Read N Characters Given read4 II - Call Multiple Times Hard
ArraySimulationInteractive
138 Rearrange Array Elements by Sign Medium
ArrayTwo PointersSimulation
139 Relocate Marbles Medium
ArrayHash TableSorting
140 Remove All Occurrences of a Substring Medium
StringStackSimulation
141 Removing Stars From a String Medium
StringStackSimulation
142 Replace Elements in an Array Medium
ArrayHash TableSimulation
143 Reshape the Matrix Easy
ArrayMatrixSimulation
144 Resulting String After Adjacent Removals Medium
StringStackSimulation
145 Reveal Cards In Increasing Order Medium
ArrayQueueSorting
146 Reverse Degree of a String Easy
StringSimulation
147 Robot Bounded In Circle Medium
MathStringSimulation
148 Robot Collisions Hard
ArrayStackSorting
149 Robot Return to Origin Easy
StringSimulation
150 Semi-Ordered Permutation Easy
ArraySimulation
Showing 136-150 of 185
1 ... 8 9 10 11 12 13

Tutorials Library

Master any technology with our largest free online Library. Browse through 500+ tutorials across 10+ categories.

Python

Python Tutorial

Java

Java Tutorial

JavaScript

JavaScript

C++

C++ Tutorial

C#

C# Tutorial

Go

Go Tutorial

Rust

Rust Tutorial

TypeScript

TypeScript

Swift

Swift Tutorial

Kotlin

Kotlin Tutorial

Ruby

Ruby Tutorial

PHP

PHP Tutorial

C

C Tutorial

Scala

Scala Tutorial

Perl

Perl Tutorial

R

R Tutorial

Dart

Dart Tutorial

Lua

Lua Tutorial

MATLAB

MATLAB

Haskell

Haskell

Developer Toolbox

Powerful online tools to boost your productivity

public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

Start Coding in Seconds

Coding Ground For Developers

Code, Edit, Run and Share

Ignite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.