Most Asked Problems on Recursion Algorithm in Coding Interviews

Recursion Algorithm in Data Structure and Algorithms is used to call the function by itself. The article "Most Asked Problems on Recursion Algorithm in Coding Interviews" benefits you by providing good examples of every problem of the recursion. It provides the problems from the basic to the hard level. It covers the core and important problems of the recursion algorithm.

The following are the main problems with the recursion algorithm ?

Easy Recursion Problems

• Print Pattern Recursively
• Count Vowels in String
• Print N to 1 Without Loops
• Calculate Power of Numbers
• Array Element Multiplication
• Sum of Array Elements
• Print Alternate Elements
• Mean of Array Using Recursion
• Count Consonants in String
• Print Even Numbers
• Pascal's Triangle
• Print All Leaf Nodes
• Check Array Sorting
• First Uppercase Letter
• Decimal to Binary Conversion
• Reverse String
• Sum of Natural Numbers

Medium Recursion Problems

• Generate All Possible Arrays
• Path Sum in Binary Tree
• Print Staircase Pattern
• Generate All Substrings
• Print All Subsequences
• Phone Number Letter Combinations
• Count Ways to Reach Nth Stair
• Sort Array Recursively
• Recursive Binary Search
• Print All Possible Codes
• Unique Binary Search Trees II
• Josephus Problem
• Generate Parentheses
• Reverse Stack

Hard Recursion Problems

• Unique Paths III
• Expression Add Operators
• Decode String
• Concatenated Words
• All Possible Full Binary Trees