String LIVE DSA Notion sheet

Level 1: Easy (Foundational Concepts)

These problems are perfect for starting out. They cover basic string traversal, manipulation, and simple checks.

1. Find the ASCII Value of a Character
   • GFG: Program to print ASCII Value of a character
2. Check if a String is a Palindrome
   • GFG: C Program to check if a given string is Palindrome
   • LeetCode: Valid Palindrome
3. Reverse a String
   • GFG: Reverse a String in Java
   • LeetCode: Reverse String
4. Remove Spaces From a String
   • GFG: Remove spaces from a string
5. Remove All Vowels From a String

• GFG: Program to remove vowels from a string
• LeetCode: Remove Vowels from a String

1. Count Words, Vowels, and Consonants
   • GFG: Count words in a given string
   • GFG: Count number of vowels, consonants, spaces in String
2. Check for Anagrams
   • GFG: Check whether two strings are an anagram of each other
   • LeetCode: Valid Anagram
3. Implement strstr (Find Substring)
   • GFG: Implement strstr
   • LeetCode: Find the Index of the First Occurrence in a String
4. Longest Common Prefix
   • GFG: Longest Common Prefix using Sorting
   • LeetCode: Longest Common Prefix
5. Rotate String
   • GFG: A Program to check if strings are rotations of each other
   • LeetCode: Rotate String
6. Largest Odd Number in String
   • GFG: Find the largest odd number in a string
   • LeetCode: Largest Odd Number in String
7. Roman to Integer
   • GFG: Converting Roman Numerals to Decimal
   • LeetCode: Roman to Integer
8. Excel Sheet Column Number
   • GFG: Find Excel column number from column title
   • LeetCode: Excel Sheet Column Number