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
2641 Number of Ways to Divide a Long Corridor Hard
MathStringDynamic Programming
2642 Number of Ways to Earn Points Hard
ArrayDynamic Programming
2643 Number of Ways to Form a Target String Given a Dictionary Hard
ArrayStringDynamic Programming
2644 Number of Ways to Paint N × 3 Grid Hard
Dynamic Programming
2645 Number of Ways to Reach a Position After Exactly k Steps Medium
MathDynamic ProgrammingCombinatorics
2646 Number of Ways to Reach Destination in the Grid Hard
MathDynamic ProgrammingCombinatorics
2647 Number of Ways to Rearrange Sticks With K Sticks Visible Hard
MathDynamic ProgrammingCombinatorics
2648 Number Of Ways To Reconstruct A Tree Hard
TreeGraph
2649 Number of Ways to Reorder Array to Get Same BST Hard
ArrayMathDivide and Conquer
2650 Number of Ways to Select Buildings Medium
StringDynamic ProgrammingPrefix Sum
2651 Number of Ways to Separate Numbers Hard
StringDynamic ProgrammingSuffix Array
2652 Number of Ways to Split a String Medium
MathString
2653 Number of Ways to Split Array Medium
ArrayPrefix Sum
2654 Number of Ways to Stay in the Same Place After Some Steps Hard
Dynamic Programming
2655 Number of Ways to Wear Different Hats to Each Other Hard
ArrayDynamic ProgrammingBit Manipulation
Showing 2641-2655 of 3600
1 ... 175 176 177 178 179 ... 240

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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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