Master DSA Topics - February, 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
1950 Maximum of Minimum Values in All Subarrays Medium
ArrayStackMonotonic Stack
1951 All the Pairs With the Maximum Number of Common Followers Medium
Database
1952 Three Divisors Easy
MathEnumerationNumber Theory
1953 Maximum Number of Weeks for Which You Can Work Medium
ArrayGreedy
1953 Minimum Time For K Virus Variants to Spread Hard
ArrayMathBinary Search
1954 Minimum Garden Perimeter to Collect Enough Apples Medium
MathBinary Search
1955 Count Number of Special Subsequences Hard
ArrayDynamic Programming
1957 Delete Characters to Make Fancy String Easy
String
1958 Check if Move is Legal Medium
ArrayMatrixEnumeration
1959 Minimum Total Space Wasted With K Resizing Operations Medium
ArrayDynamic Programming
1960 Maximum Product of the Length of Two Palindromic Substrings Hard
StringRolling HashHash Function
1961 Check If String Is a Prefix of Array Easy
ArrayTwo PointersString
1962 Remove Stones to Minimize the Total Medium
ArrayGreedyHeap (Priority Queue)
1963 Minimum Number of Swaps to Make the String Balanced Medium
Two PointersStringStack
1964 Find the Longest Valid Obstacle Course at Each Position Hard
ArrayBinary SearchBinary Indexed Tree
Showing 1951-1965 of 3602
1 ... 129 130 131 132 133 ... 241

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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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