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# Practice Programming

Practice Programming

### Count number of ways to reach the nth stair by climbing 1, 2 or 3 steps

A child is running up a staircase with n steps and can hop either 1 step, 2 steps, or 3
steps at a time. Implement...

Practice Programming

### Algorithm to create linked list of nodes at each depth in Binary tree

Here we are given a binary tree, and we have to design an algorithm from scratch, which will create a linked list of all...

Practice Programming

### Reverse a linked list in Linear Time without using extra space

Given a singly Linked List, we have to reverse the entire linked List in a Linear Time and we don't have to use any...

Practice Programming

### Addition of Two Numbers Stored in a Linked List in reverse order

We are given two numbers stored in a Linked List in reverse order, where each node of the Linked List represents the...

Practice Programming

### Given a pointer to the node of a linked list delete that node

In this problem we are given a pointer to the node of a linked list, we have to write an algorithm to...

Practice Programming

### Check if given two strings are permutation of each other

Suppose we are given two lowercase string as an input and we have to check whether they are a permutation of each other i.e...

Practice Programming

### C/CPP – DataTypes

Datatypes tell the compiler what kind of value a variable will and hence allocate the size to that variable accordingly.
Various types of datatype supported...

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