String Coding Problems

Learn string processing and pattern matching

803
Total Problems
228
Easy
390
Medium
177
Hard
Start Practicing
"Hello"

Master DSA Topics - April, 2026

Practice problems across 75+ categories

String Coding Problems

Practice problems frequently asked at String 803 problems | 228 Easy | 390 Medium | 177 Hard

# Problem Difficulty Topics
451 Maximum Value after Insertion Medium
StringGreedy
452 Maximum Value of a String in an Array Easy
ArrayString
453 Merge Strings Alternately Easy
Two PointersString
454 Mini Parser Medium
StringStackDepth-First Search
455 Minimize Result by Adding Parentheses to Expression Medium
StringEnumeration
456 Minimize Rounding Error to Meet Target Medium
ArrayMathString
457 Minimize String Length Easy
Hash TableString
458 Minimum Add to Make Parentheses Valid Medium
StringStackGreedy
459 Minimum Additions to Make Valid String Medium
StringDynamic ProgrammingStack
460 Minimum Adjacent Swaps to Reach the Kth Smallest Number Medium
Two PointersStringGreedy
461 Minimum Amount of Time to Collect Garbage Medium
ArrayStringPrefix Sum
462 Minimum ASCII Delete Sum for Two Strings Medium
StringDynamic Programming
463 Minimum Changes To Make Alternating Binary String Easy
String
464 Minimum Changes to Make K Semi-palindromes Hard
Two PointersStringDynamic Programming
465 Minimum Cost Good Caption Hard
StringDynamic Programming
Showing 451-465 of 803
1 ... 29 30 31 32 33 ... 54

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.