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
1081 Find Minimum Time to Reach Last Room II Medium
ArrayGraphHeap (Priority Queue)
1082 Find Mirror Score of a String Medium
Hash TableStringStack
1083 Find Missing and Repeated Values Easy
ArrayHash TableMath
1084 Find Missing Observations Medium
ArrayMathSimulation
1085 Find Mode in Binary Search Tree Easy
TreeDepth-First SearchBinary Search Tree
1086 Find Most Frequent Vowel and Consonant Easy
Hash TableStringCounting
1087 Find N Unique Integers Sum up to Zero Easy
ArrayMath
1088 Find Nearest Point That Has the Same X or Y Coordinate Easy
Array
1089 Find Nearest Right Node in Binary Tree Medium
TreeBreadth-First SearchBinary Tree
1090 Find Number of Coins to Place in Tree Nodes Hard
Dynamic ProgrammingTreeDepth-First Search
1091 Find Number of Ways to Reach the K-th Stair Hard
MathDynamic ProgrammingBit Manipulation
1092 Find Numbers with Even Number of Digits Easy
ArrayMath
1093 Find Occurrences of an Element in an Array Medium
ArrayHash Table
1094 Find Original Array From Doubled Array Medium
ArrayHash TableGreedy
1095 Find Overlapping Shifts Unknown
Database
Showing 1081-1095 of 3600
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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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