Stack Coding Problems

LIFO data structure operations

172
Total Problems
23
Easy
97
Medium
51
Hard
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Master DSA Topics - January, 2026

Practice problems across 75+ categories

Stack Coding Problems

Practice problems frequently asked at Stack 172 problems | 23 Easy | 97 Medium | 51 Hard

# Problem Difficulty Topics
76 Max Chunks To Make Sorted II Hard
ArrayStackGreedy
77 Max Stack Hard
Linked ListStackDesign
78 Maximal Range That Each Element Is Maximum in It Medium
ArrayStackMonotonic Stack
79 Maximal Rectangle Hard
ArrayDynamic ProgrammingStack
80 Maximum and Minimum Sums of at Most Size K Subarrays Hard
ArrayMathStack
81 Maximum Array Hopping Score I Medium
ArrayDynamic ProgrammingStack
82 Maximum Array Hopping Score II Medium
ArrayStackGreedy
83 Maximum Binary Tree Medium
ArrayDivide and ConquerStack
84 Maximum Elegance of a K-Length Subsequence Hard
ArrayHash TableStack
85 Maximum Frequency Score of a Subarray Hard
ArrayHash TableMath
86 Maximum Frequency Stack Hard
Hash TableStackDesign
87 Maximum Length of Semi-Decreasing Subarrays Medium
ArrayStackSorting
88 Maximum Nesting Depth of the Parentheses Easy
StringStack
89 Maximum Nesting Depth of Two Valid Parentheses Strings Medium
StringStack
90 Maximum Number of Books You Can Take Hard
ArrayDynamic ProgrammingStack
Showing 76-90 of 172
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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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