Master DSA Topics - January, 2026

Practice problems across 75+ categories

All Coding Problems

Practice coding problems across all companies and topics 3600 problems | 879 Easy | 1856 Medium | 842 Hard

# Problem Difficulty Topics
2146 Minimum Amount of Time to Fill Cups Easy
ArrayGreedySorting
2147 Minimum Area Rectangle Medium
ArrayHash TableMath
2148 Minimum Area Rectangle II Medium
ArrayHash TableMath
2149 Minimum Array Changes to Make Differences Equal Medium
ArrayHash TablePrefix Sum
2150 Minimum Array End Medium
Bit Manipulation
2151 Minimum Array Length After Pair Removals Medium
ArrayHash TableTwo Pointers
2152 Minimum Array Sum Medium
ArrayDynamic Programming
2153 Minimum ASCII Delete Sum for Two Strings Medium
StringDynamic Programming
2154 Minimum Average Difference Medium
ArrayPrefix Sum
2155 Minimum Average of Smallest and Largest Elements Easy
ArrayTwo PointersSorting
2156 Minimum Bit Flips to Convert Number Easy
Bit Manipulation
2157 Minimum Changes To Make Alternating Binary String Easy
String
2158 Minimum Changes to Make K Semi-palindromes Hard
Two PointersStringDynamic Programming
2159 Minimum Common Value Easy
ArrayHash TableTwo Pointers
2160 Minimum Consecutive Cards to Pick Up Medium
ArrayHash TableSliding Window
Showing 2146-2160 of 3600
1 ... 142 143 144 145 146 ... 240

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.