Master DSA Topics - March, 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
1171 Find Mirror Score of a String Medium
Hash TableStringStack
1172 Find Missing and Repeated Values Easy
ArrayHash TableMath
1173 Find Missing Observations Medium
ArrayMathSimulation
1174 Find Mode in Binary Search Tree Easy
TreeDepth-First SearchBinary Search Tree
1175 Find Most Frequent Vowel and Consonant Easy
Hash TableStringCounting
1176 Find N Unique Integers Sum up to Zero Easy
ArrayMath
1177 Find Nearest Point That Has the Same X or Y Coordinate Easy
Array
1178 Find Nearest Right Node in Binary Tree Medium
TreeBreadth-First SearchBinary Tree
1179 Find Number of Coins to Place in Tree Nodes Hard
Dynamic ProgrammingTreeDepth-First Search
1180 Find Number of Ways to Reach the K-th Stair Hard
MathDynamic ProgrammingBit Manipulation
1181 Find Numbers with Even Number of Digits Easy
ArrayMath
1182 Find Occurrences of an Element in an Array Medium
ArrayHash Table
1183 Find Original Array From Doubled Array Medium
ArrayHash TableGreedy
1184 Find Overlapping Shifts Unknown
Database
1185 Find Overlapping Shifts II Hard
Database
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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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