https://youtu.be/YQGs0DG6RDY?si=J5KOHAXk1EErgQQ8

Common coding questions

1. ASCII Value of a character
2. Remove vowels from a String Remove spaces from a given string
3. Remove all characters other than alphabets
4. Reverse a string
5. Sum of numbers in string
6. Capitalize first and last character of each word Frequency of characters in a string
7. Non Repeating Character Smallest and Largest Word in a String
8. Strings are anagram of each other
9. Sort string of characters
10. Convert characters of a string to opposite case Count words in a given string
11. Encrypt the string Remove duplicates from a given string
12. Duplicates in the input string Lexicographically next string
13. Remove brackets from an algebraic expression
14. Check if a string is substring of another
15. Reverse words in a given string

also,

1. Non-Repeating Element
2. Program for Array Rotation