Programming Paradigms

1. Programming Paradigms LecturerHamza Azeem

2. Lecture 3 C Building Blocks - II

3. Example of Scanf() • int main() • { • long years, days; • printf( “Please type your age in years: "); • scanf( “%ld", &years); • days = years * 365; • printf( "You are %ld days old", days); • }

4. Output of Example Please type your age in years: 25 You are 9125 days old

5. Address Operator (&) • Scanf() function requires the address of the variable where to put the value obtained. Rather than the variable itself. • The & operator provides the address of the memory location where a variable is stored

6. GETCH() Function • Getch() is only used for taking character input • It only takes one character • Once types the character can’t be erased • No need for pressing enter key

7. Example of GETCH() • int main() • { • char ch; • printf("Type any character:"); • ch=getch(); • printf("\n The character you typed: %c",ch); • }

8. How to display variables on Output ? • C Language uses 4 types of Arithmetic Operators common in most programming. + Addition - Subtraction * Multiplication / Division % Remainder

9. Remainder Operator • It is also called Modulo Operator • Example19 % 5 = 4

10. Arithmetic Assignment Operators

11. Increment/Decrement Operator

12. Relational Operators