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Computer Science File
Udbhav Gupta S G
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INDEXAcknowledgements
Programs:
1. Addition of Two Integers
2. Count Till
3. Average Marks of 5 Students
3. Area of Circle
4. Difference of Two Integers
5. All Even Numbers from 2 to 40
6. Roots of a Quadratic equation
7. All Odd Numbers less than 50
8. Highest Common Factor of Two Integers
9. Lowest Common Multiple of Two Integers
10.Even Number or Odd Number
11. Prime Number
12. Multiples of any Natural Number up to 100
13. Factors of a Number
14. Multiplication Table of a Number
15. Number Pyramid
16. Star Pyramid
17. Check Whether a Triangle is Equilateral,
Isosceles or Scalene
18. Addition, Subtraction, Multiplication, Division of
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Two integers (Switch Case)
19. Reverse Order
20. Sum and Average of 10 Integers
21. Largest and Smallest Number in an Array
22. Even Numbers in an Array
23. Fibonaccis Sequence
24. Ascending Order (Linear Sorting)
26. Palindrome
27. Factorial of a Number
28. Length of a String
29. Descending Order (Bubble Sorting)
30. Number of Spaces and Words
31. Display Initials of the first two words in a string
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ACKNOWLEDGMENT
I would like to express my deep gratitude to Gautam Sarkar Sir
for his expert advice and brilliance in the subject. Because of
your immense knowledge of the subject the concepts are easily
understandable and the classes are always fun.
I would also like to thank Yogita maam for her patient
guidance. The completion of this file could not have been
accomplished without your valuable support.
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1.Write a Program for addition of Two Integers
#include //iostream.h is for cin and coutvoid main()
{ int a, b, sum;
cout
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2.Write a Program to Find out the Marks and
Average of 5 Students
#include
void main(){
float m1, m2, m3, m4, m5, avg; //float is used for decimals
coutm1;cout
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Output:
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3.Write a Program to Calculate the Area of a
Circle
#include
void main(){
float area, radius;
cout
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4.Write a Program to Check Whether the Difference
of 2 integers is Greater Than or Less Than 0
#include
void main(){
int a, b, diff;
cout
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Output:
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5.Write a Program to Print all Even Numbers from 2
to 40
#include
void main(){
int i;i=2;
cout
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6.Write a Program to Find The Real Roots of a
Quadratic Equation
#include
#includevoid main(){
float a, b, c, D, r1, r2;
cout
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Output:
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7.Write a Program to Display all Odd Numbers Less
Than 50
#includevoid main(){
int odd;odd=1;
while(odd
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8.Write a Program to Find the HCF of Two Integers
#include
void main(){
int no1, no2, M, N, HCF;
cout
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Output:
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9.Write a Program to Find the LCM of Two Integers
#includevoid main(){
int no1, no2, M, LCM;
cout
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Output:
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10. Write a Program to Find if a Number is Even
or Odd
#include
void main(){
int no;
cout
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11. Write a Program to Check Whether a Given
Natural Number is Prime or Not
#include
void main(){
int x, prime, A;
cout
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Output:
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12. Write a Program to print the Multiples of any
Natural Number upto 100
#include
void main(){
int x, y;cout
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13. Write a Program to Find the Factors of a Number
#includevoid main()
{int x, y;
cout
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14. Write a Program for the Multiplication Table of
a Natural Number
#include
void main(){
int no, divisor, product;
cout
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15. Write a Program to Print a Number Pyramid
#includevoid main()
{cout
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16. Write a Program to Print a Star Pyramid
#includevoid main()
{cout
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17. Write a Program to Check Whether a Triangle
is Equilateral, Isosceles or Scalene
#include
void main(){
float side1, side2, side3;cout
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Output:
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18. Write a Program to Perform Addition,
Subtraction, Multiplication and Division of Two
Integers
#includevoid main(){
int a, b, sum, diff, product, div;char op;
cout
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couta;coutb;
div=a/b;cout
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19. Write a Program to Print the Given Numbers in
Reverse Order
#include
void main(){
float A[5]; //'A[ ]' is an arrayint i;
cout
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Output:
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20. Write a Program to Find the Sum and Mean Average
of 10 Integers
#include
void main(){
int A[10];float avg, sum=0;
cout
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21. Write a Program to Find the Largest and the
Smallest Number in an Array
#include
void main(){
int A[10], MAX, MIN, i;
cout
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Output:
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22. Write a Program to Display all Even Numbers in
an Array
#include
void main(){
int A[10], i;
cout
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23. Write a Program to display the First 20 Numbers
of the Fibonaccis Sequence
#include
void main(){
int fib[20], i, a, b;
cout
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24. Write a Program to sort an Array in Ascending
Order (Linear Sort)
#include
void main(){
int A[6], i, j, flag;
cout
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Output:
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25. Write a Program to check if a Given String is a
Palindrome
#include
#include //this is to use gets function#includevoid main(){
int i, j, len=0, flag=0;char str[100];
cout
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Output:
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26. Write a Program to find the Factorial of a
Number
#include
void main(){
float i, x, factorial=1;
cout
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27. Write a Program to Find the Logical Length of a
String
#include
#include#includevoid main(){
int length;char str[50];
cout
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28. Write a Program to sort an Array in Descending
Order (Bubble Sort)
#include
void main(){
int A[6], i, j, flag;
cout
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Output:
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29. Write a Program to count the Number of Spaces
and Words in a String.
#include
#include#includevoid main(){
int count=0, i;char str[100];
cout
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Output:
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30. Write a Program to Display the Initials of only
the First Two Words in a String
#include
#include#includevoid main(){
int i;char str[100];
cout
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Output: