Practice Session Lab. – 2 [B.Tech.

]
Computer Programming and Fundamentals [Paper – 5]
Session Topic: Operators, Conditional Statement and Loop

1. Write a program to take input of name, rollno and marks obtained by a student in 4 subjects of
100 marks each and display the name, rollno with percentage score secured.
2. Write a program to calculate simple and compound interest.
3. Write a program to swap values of two variables with and without using third variable.
4. Write a program to display the size of every data type using “sizeof” operator.
5. Write a program to illustrate the use of unary prefix and postfix increment and decrement
operators.
6. Write a program to input two numbers and display the maximum number.
7. Write a program to find the largest of three numbers using ternary operators.
8. Write a program to find the roots of quadratic equation.
9. Write a program to print whether a given number is even or odd.
10. Write a Program to Check Whether a Number is Prime or not.
11. Write a program to find the largest and smallest among three entered numbers and also
display whether the identified largest/smallest number is even or odd.
12. Write a program to compute grade of students using if else adder. The grades are assigned as
followed:
Marks Grade
marks< 50 F
50≤ marks < 60 C
60≤ marks <70 B
70≤ marks <80 B+
80≤ marks <90 A
90≤ marks ≤ 100 A+
13. Write a program to check whether the entered year is leap year or not (a year is leap if it is
divisible by 4 and divisible by 100 or 400.)
14. Write a program to find the factorial of a number.
15. Write a program to check number is Armstrong or not. (Hint: A number is Armstrong if the
sum of cubes of individual digits of a number is equal to the number itself).
16. Write a program to find whether a character is consonant or vowel using switch statement.
17. Write a program to print day name using switch case.
18. Write a program to determine whether the input character is capital or small letter, digits or
special symbol.
19. Write a program to check whether a date is valid or not.
20. Write a program to check whether a number is positive, negative or zero using switch case.
21. Write a program to print positive integers from 1 to 10.
22. Write a program to count number of digits in a given integer.
23. Write a program to reverse a given integer.
24. Write a program to print number in reverse order with a difference of 2.
25. Write a program to print the sum of digits of a number using for loop.
26. Write a program to check whether a number is Palindrome or not.
27. Write a program to generate Fibonacci series.
28. If a four-digit number is input through the keyboard, write a program to obtain the sum of the
first and last digit of this number.
29. Write a program to find GCD (greatest common divisor or HCF) and LCM (least common
multiple) of two numbers.
30. Write a program to display the following pattern.
* ***** *
** **** ***
*** *** *****
**** ** *******
***** * *********

********* 1 A
******* 121 ABA
***** 12321 ABCBA
*** 1234321 ABCDCBA
* 123454321 ABCDEDCBA

1 ********* **********
123 **** **** *
12345 *** *** *
123 ** ** *
1 * * ***************

31. Write a C Program to accept product name, quantity, price compute bill amount and discount
based on following criteria.
IF Bill amount > 1000, rate of discount is 10%.
If bill amount > 2000, rate if discount is 15%

Display output in following format;

***************Welcome to ABC Hyper Market********

Item Name Qty Rate Amount

Basmati Rice 8 100 800
Aata 5 50 250
Millet 8 70 56
Milk 6 67 402
---------------------------------------------------------------
Total Items 27 - 1508
Discount Amt: 40
Total Bill Amount After discount Rs. 1468

****************Thank ’U’ Visit Again****************

32. Write a program to accept Employee Name, Designation, Basic Salary compute and display
Payslip in the following format.
Payslip Name: Designation: Basic:
HRA: DA: CA:
Gross Salary: PF: ESI:
Net Salary:

Where HRA is 20% on Basic Salary, DA is 50% on Basic Salary, CA is 10% on Basic Salary,
PF is 12% on Basic Salary and ESI is 5% on Basic Salary.

33. Write a C program to print all natural numbers from 1 to n. – using while loop
34. Write a C program to print all natural numbers in reverse (from n to 1). – using while
loop
35. Write a C program to print all alphabets from a to z. – using while loop
36. Write a C program to print all even numbers between 1 to 100. – using while loop
37. Write a C program to print all odd number between 1 to 100.
38. Write a C program to find sum of all natural numbers between 1 to n.
39. Write a C program to find sum of all even numbers between 1 to n.
40. Write a C program to find sum of all odd numbers between 1 to n.
41. Write a C program to print multiplication table of any number.
42. Write a C program to count number of digits in a number.
43. Write a C program to find first and last digit of a number.
44. Write a C program to find sum of first and last digit of a number.
45. Write a C program to swap first and last digits of a number.
46. Write a C program to calculate sum of digits of a number.
47. Write a C program to calculate product of digits of a number.
48. Write a C program to enter a number and print its reverse.
49. Write a C program to check whether a number is palindrome or not.
50. Write a C program to find frequency of each digit in a given integer.
51. Write a C program to enter a number and print it in words.
52. Write a C program to print all ASCII character with their values.
53. Write a C program to find power of a number using for loop.
54. Write a C program to find all factors of a number.
55. Write a C program to calculate factorial of a number.
56. Write a C program to find HCF (GCD) of two numbers.
57. Write a C program to find LCM of two numbers.
58. Write a C program to check whether a number is Prime number or not.
59. Write a C program to print all Prime numbers between 1 to n.
60. Write a C program to find sum of all prime numbers between 1 to n.
61. Write a C program to find all prime factors of a number.
62. Write a C program to check whether a number is Armstrong number or not.
63. Write a C program to print all Armstrong numbers between 1 to n.
64. Write a C program to check whether a number is Perfect number or not.
65. Write a C program to print all Perfect numbers between 1 to n.
66. Write a C program to check whether a number is Strong number or not.
67. Write a C program to print all Strong numbers between 1 to n.
68. Write a C program to print Fibonacci series up to n terms.
69. Write a C program to find one’s complement of a binary number.
70. Write a C program to find two’s complement of a binary number.
71. Write a C program to convert Binary to Octal number system.
72. Write a C program to convert Binary to Decimal number system.
73. Write a C program to convert Binary to Hexadecimal number system.
74. Write a C program to convert Octal to Binary number system.
75. Write a C program to convert Octal to Decimal number system.
76. Write a C program to convert Octal to Hexadecimal number system.
77. Write a C program to convert Decimal to Binary number system.
78. Write a C program to convert Decimal to Octal number system.
79. Write a C program to convert Decimal to Hexadecimal number system.
80. Write a C program to convert Hexadecimal to Binary number system.
81. Write a C program to convert Hexadecimal to Octal number system.
82. Write a C program to convert Hexadecimal to Decimal number system
83. Write a C program to print Pascal triangle upto n rows.
84. Star pattern programs – Write a C program to print the given star patterns.
85. Number pattern programs – Write a C program to print the given number patterns.