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
1066 Find Maximum Non-decreasing Array Length Hard
ArrayBinary SearchDynamic Programming
1067 Find Maximum Number of Non Intersecting Substrings Medium
Hash TableStringDynamic Programming
1068 Find Maximum Number of String Pairs Easy
ArrayHash TableString
1069 Find Maximum Removals From Source String Medium
ArrayHash TableTwo Pointers
1070 Find Median from Data Stream Hard
Two PointersDesignSorting
1071 Find Median Given Frequency of Numbers Hard
Database
1072 Find Minimum Cost to Remove Array Elements Medium
ArrayDynamic Programming
1073 Find Minimum Diameter After Merging Two Trees Hard
TreeDepth-First SearchBreadth-First Search
1074 Find Minimum in Rotated Sorted Array Medium
ArrayBinary Search
1075 Find Minimum in Rotated Sorted Array II Hard
ArrayBinary Search
1076 Find Minimum Log Transportation Cost Easy
Math
1077 Find Minimum Operations to Make All Elements Divisible by Three Easy
ArrayMath
1078 Find Minimum Time to Finish All Jobs Hard
ArrayDynamic ProgrammingBacktracking
1079 Find Minimum Time to Finish All Jobs II Medium
ArrayGreedySorting
1080 Find Minimum Time to Reach Last Room I Medium
ArrayGraphHeap (Priority Queue)
Showing 1066-1080 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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