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
1261 Find the Lexicographically Smallest Valid Sequence Medium
Two PointersStringDynamic Programming
1262 Find the Longest Balanced Substring of a Binary String Easy
String
1263 Find the Longest Equal Subarray Medium
ArrayHash TableBinary Search
1264 Find the Longest Semi-Repetitive Substring Medium
StringSliding Window
1265 Find the Longest Substring Containing Vowels in Even Counts Medium
Hash TableStringBit Manipulation
1266 Find the Longest Valid Obstacle Course at Each Position Hard
ArrayBinary SearchBinary Indexed Tree
1267 Find the Losers of the Circular Game Easy
ArrayHash TableSimulation
1268 Find the Maximum Achievable Number Easy
Math
1269 Find the Maximum Divisibility Score Easy
Array
1270 Find the Maximum Factor Score of Array Medium
ArrayMathNumber Theory
1271 Find the Maximum Length of a Good Subsequence I Medium
ArrayHash TableDynamic Programming
1272 Find the Maximum Length of a Good Subsequence II Hard
ArrayHash TableDynamic Programming
1273 Find the Maximum Length of Valid Subsequence I Medium
ArrayDynamic Programming
1274 Find the Maximum Length of Valid Subsequence II Medium
ArrayDynamic Programming
1275 Find the Maximum Number of Elements in Subset Medium
ArrayHash TableEnumeration
Showing 1261-1275 of 3911
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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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