More Problems

• Write a program to check if a string contains any uppercase letters.
• Write a program to find the first occurrence of a digit in a string.
• Write a program to convert a decimal number to binary without recursion.
• Write a program to check if a string is a valid email address using regex.
• Write a program to implement a simple library checkout system.
• Write a program to find the length of a string using recursion.
• Write a program to calculate the area of a triangle using Herons formula.
• Write a program to check if two strings are anagrams using character sorting.