Computer science $2.$ Implement a function to check if a string is a palindrome.

Computer science $3.$ Write a function to find the factorial of a number.

Computer science $4.$ Create a function to check if a number is prime.

Computer science $5.$ Write a program to find the greatest common divisor $($GCD$)$ of two numbers.

Computer science $6.$ Implement the binary search algorithm.

Computer science $7.$ Write a function to sort an array using the bubble sort algorithm.

Computer science $8.$ Implement the quicksort algorithm.

Computer science $9.$ Write a program to find the largest element in an array.

Computer science $10.$ Create a function to find the second largest element in an array.

Computer science $11.$ Write a function to merge two sorted arrays into a single sorted array.

Computer science $12.$ Implement the insertion sort algorithm.

Computer science $13.$ Write a program to find the length of the longest substring without repeating characters.

Computer science $14.$ Create a function to check if two strings are anagrams.

Computer science $15.$ Write a program to count the number of vowels in a string.

Computer science $16.$ Implement a function to find the missing number in an array of integers from $1$ to n$.$

Computer science $17.$ Write a function to generate the Fibonacci sequence up to n terms.

Computer science $18.$ Implement the merge sort algorithm.

Computer science $19.$ Write a program to find the intersection of two arrays.

Computer science $20.$ Create a function to find the union of two arrays.

Computer science $21.$ Write a function to remove duplicates from an array.

Computer science $22.$ Implement the selection sort algorithm.

Computer science $23.$ Write a program to find the first non$-$repeating character in a string.

Computer science $24.$ Create a function to find the majority element in an array.

Computer science $25.$ Write a program to rotate an array to the right by k steps.

Computer science $26.$ Implement a function to check if a given number is a power of two.

Computer science $27.$ Write a function to convert a binary number to a decimal number.

Computer science $28.$ Create a function to convert a decimal number to a binary number.

Computer science $29.$ Write a program to find the longest common prefix among a set of strings.

Computer science $30.$ Implement the heap sort algorithm.

Computer science $31.$ Write a function to find the maximum subarray sum using Kadane$$s algorithm.

Computer science $32.$ Create a function to perform matrix multiplication.

Computer science $33.$ Write a program to find the number of islands in a $2$D grid.

Computer science $34.$ Implement a function to check if a string contains valid parentheses.

Computer science $35.$ Write a function to find the shortest path in a binary matrix.

Computer science $36.$ Create a function to perform a depth$-$first search $($DFS$)$ on a graph.

Computer science $37.$ Write a program to perform a breadth$-$first search $($BFS$)$ on a graph.

Computer science $38.$ Implement the Dijkstra$$s algorithm for finding the shortest path in a graph.

Computer science $39.$ Write a function to detect a cycle in a linked list.

Computer science $40.$ Create a function to reverse a linked list.

Computer science $41.$ Write a program to merge two sorted linked lists.

Computer science $42.$ Implement a function to find the middle node of a linked list.

Computer science $43.$ Write a function to remove the nth node from the end of a linked list.

Computer science $44.$ Create a function to detect and remove a loop in a linked list.

Computer science $45.$ Write a program to find the lowest common ancestor of two nodes in a binary tree.

Computer science $46.$ Implement a function to perform an in$-$order traversal of a binary tree.

Computer science $47.$ Write a function to perform a pre$-$order traversal of a binary tree.

Computer science $48.$ Create a function to perform a post$-$order traversal of a binary tree.

Computer science $49.$ Write a program to serialize and deserialize a binary tree.

Computer science $50.$ Implement the A$*$ algorithm for pathfinding in a graph.