Basic Array & String Questions
15 fundamental array and 15 string problems to master the basics.
Array Questions
Find Maximum Element
Easy
Find Minimum Element
Easy
Array Sum
Easy
Array Average
Easy
Reverse Array
Easy
Linear Search
Easy
Remove Duplicates
Medium
Rotate Array
Medium
Second Largest Element
Medium
Merge Two Arrays
Medium
Two Sum
Medium
Move Zeros
Medium
Find Missing Number
Medium
Majority Element
Medium
Intersection of Arrays
Medium
String Questions
Reverse String
Easy
Palindrome Check
Easy
String Length
Easy
Count Vowels
Easy
String Concatenation
Easy
Substring Search
Easy
Remove Spaces
Easy
Anagram Check
Medium
Reverse Words
Medium
Most Frequent Character
Medium
Remove Duplicates
Medium
First Unique Character
Medium
Valid Parentheses
Medium
Longest Common Prefix
Medium
String Compression
Medium