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
571 Ones and Zeroes Medium
ArrayStringDynamic Programming
572 Open the Lock Medium
ArrayHash TableString
573 Optimal Paragraph Formatting Hard
Advanced DPDPString
574 Optimal Partition of String Medium
Hash TableStringGreedy
575 Orderly Queue Hard
MathStringSorting
576 Output Contest Matches Medium
StringRecursionSimulation
577 Palindrome Pairs Hard
ArrayHash TableString
578 Palindrome Partitioning Medium
StringDynamic ProgrammingBacktracking
579 Palindrome Partitioning II Hard
StringDynamic Programming
580 Palindrome Partitioning III Hard
StringDynamic Programming
581 Palindrome Partitioning IV Hard
StringDynamic Programming
582 Palindrome Permutation Easy
Hash TableStringBit Manipulation
583 Palindrome Permutation II Medium
Hash TableStringBacktracking
584 Palindrome Rearrangement Queries Hard
Hash TableStringPrefix Sum
585 Palindromic Substrings Medium
Two PointersStringDynamic Programming
Showing 571-585 of 803
1 ... 37 38 39 40 41 ... 54

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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
   }
}

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