Master DSA Topics - April, 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
886 Determine if Two Events Have Conflict Easy
ArrayString
887 Determine if Two Strings Are Close Medium
Hash TableStringSorting
888 Determine the Minimum Sum of a k-avoiding Array Medium
MathGreedy
889 Determine the Winner of a Bowling Game Easy
ArraySimulation
890 Determine Whether Matrix Can Be Obtained By Rotation Easy
ArrayMatrix
891 Detonate the Maximum Bombs Medium
ArrayMathDepth-First Search
892 DFS Traversal Medium
GraphsGraphStack/Recursion
893 DI String Match Easy
ArrayTwo PointersString
894 Diagonal Traverse Medium
ArrayMatrixSimulation
895 Diagonal Traverse II Medium
ArraySortingHeap (Priority Queue)
896 Diameter of Binary Tree Easy
TreeDepth-First SearchBinary Tree
897 Diameter of N-Ary Tree Medium
TreeDepth-First Search
898 Dice Roll Simulation Hard
ArrayDynamic Programming
899 Dictionary Word Segmentation Medium
Dynamic ProgrammingDPString
900 Diet Plan Performance Easy
ArraySliding Window
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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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