Recursive function are the function are the function which called itself . and this processor is known as recursion . Recursion follow some rule and regulation . There are some advantages and disadvantages of the recursion which are as follow..

__Advantages of the recursion:-__ following are the advantages of using recursion process.

**1**. Recursive processor are easiest to write.

**2.**Recursive processor are easiest to understand .

**3**. It is easier to give recursive solution to real life complex problem rather iterative solutions are tougher or complex . for example:- Tower of hanoi , Tree Traversal etc.

__Disadvantages of the recursion:-__ Following are the disadvantages of the recursion over iteration.

**1.**Recursive procedures are relatively slower than it's equivalent iterative solution.

**2.**Recursive solutions are occupy more memory as compare to the equivalent iterative solution.

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__Key points:-__

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- How to fix limit in double and floating numbers after dot (.) in c++
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- How to take input a string in c
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__Cracking the coding interview:-__

__Array and string:-__

__Tree and graph:-__

__Hackerearth Problems:-__

- Very Cool numbers | Hacker earth solution
- Vowel Recognition | Hackerearth practice problem solution
- Birthday party | Hacker earth solution
- Most frequent | hacker earth problem solution
- program to find symetric difference of two sets
- cost of balloons | Hacker earth problem solution
- Chacha o chacha | hacker earth problem solution
- jadu and dna | hacker earth solution
- Bricks game | hacker earth problem
- Anti-Palindrome strings | hacker earth solution
- connected components in the graph | hacker earth data structure
- odd one out || hacker earth problem solution
- Minimum addition | Hackerearth Practice problem
- The magical mountain | Hackerearth Practice problem
- The first overtake | Hackerearth Practice problem

__Hackerrank Problems:-__- Playing With Characters | Hackerrank practice problem solution
- Sum and Difference of Two Numbers | hackerrank practice problem solution
- Functions in C | hackerrank practice problem solution
- Pointers in C | hackerrank practice problem solution
- Conditional Statements in C | Hackerrank practice problem solution
- For Loop in C | hackerrank practice problem solution
- Sum of Digits of a Five Digit Number | hackerrank practice problem solution
- 1D Arrays in C | hackerrank practice problem solution
- Array Reversal | hackerrank practice problem solution
- Printing Tokens | hackerrank practice problem solution
- Digit Frequency | hackerrank practice problem solution
- Calculate the Nth term | hackerrank practice problem solution

__Data structure:-__

- Program to find cycle in the graph
- Implementation of singly link list
- Implementation of queue by using link list
- Algorithm of quick sort
- stack by using link list
- program to find preorder post order and inorder of the binary search tree
- Minimum weight of spanning tree
- Preorder, inorder and post order traversal of the tree

__ MCQs:-__

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