Metalbook Interview Questions and Answers

Program to find the longest unique string in an array of strings

• Iterate through each string in the array

• For each string, create a set to store unique characters

• Check each character in the string and add it to the set if it's not already present

• Keep track of the length of the current unique string and update the longest unique string found so far

• Return the longest unique string

Program to remove duplicate numbers from array of strings

• Iterate through the array and store each element in a set to keep track of unique elements

• If an element is already in the set, remove it from the array

• Return the array with duplicates removed