More Problems

• Write a program to find the first index of a character in a string.
• Write a program to implement a basic online bookstore application.
• Write a program to check if a number is a narcissistic number.
• Write a program to find the maximum length of a substring without repeating characters.
• Write a program to implement a simple character counter for a given text.
• Write a program to find the first non-repeated character in a string using a function.
• Write a program to check if two strings have the same characters (anagram check).
• Write a program to calculate the sum of the first n Fibonacci numbers.