This document contains a lab report submitted by Syed Fuzail (Adm. No. 22SCSE1011555) to Dr. Monika Jain. The report details 6 lab sheets completed as part of an Exploration with CAS-I course. Each lab sheet contains multiple programming questions/problems where the student is asked to write C code to perform tasks like printing text, performing mathematical operations, taking user input, conditional checking, etc. For each question, the student provides the C code program followed by the output. The programs demonstrate the student's proficiency with basic C programming concepts.

1. Plot No.2, Sector 17-A, Yamuna Expressway, Greater Noida, Gautam Buddh Nagar, U.P., India
School of Computing Science and
Engineering
Lab Report
Exploration with CAS-I
BCS01T1003_PR
B.Tech. (First Sem.2022-2023)
Submitted by: Submitted to: Dr . Monika
Jain
Name: Syed Fuzail
Batch: 20
Adm. No.:22SCSE1011555

2. Lab Sheet #1
Q1: Write a program to display “hello world” in C.
Program 1:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
printf("Hello world");
return 0;
}
Output :

3. Q2: Write a program to add two numbers (5&7) and
display it’s sum.
Program 2:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a=5,b=7,sum;
sum=a+b;
printf("Sum equals to %d",sum);
return 0;
}
Output:

4. Q3: Write a program to multiply two numbers (10&8)
and display its result.
Program 3:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a=10,b=8,product;
product=a*b;
printf("Product equals to %d",product);
return 0;
}
Output:

5. Q4: Write a program to calculate the area of a circle of
radius (r=5).
Program 4:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int radius=5;
float area;
area=2*3.14*radius;
printf("Area of cirlce equals to %f",area);
return 0;
}
Output:

6. Q5: Write a program to calculate area of an ellipse having
it’s axes (minor=4cm, major=6cm).
Program 5:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int major=6,minor=4;
float area;
area=3.14*major*minor;
printf("Area of ellipse equals to %f",area);
return 0;
}
Output:

7. Q6: Write a program to calculate simple interest for a given
P=4000, T=2, r=5.5.
Program 6:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int p=4000,t=2;
float si,r=5.5;
si=(p*r*t)/100;
printf("Simple Intrest equals to %f",si);
return 0;
}
Output:

8. Lab Sheet #2
Q1:Write a program to declare two integer and one float
variable then intialize them to 10, 15, 12.6. Also print the
values in the screen.
Program 1:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a=10,b=15;
float c=12.6;
printf("Integer values are n%d n%d nFloat value aren%f",a,b,c);
return 0;
}
Output:

9. Q2:Write a C program to prompt the user to input 3 integer
values and print these values in forward and reversed order.
Program 2:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a,b,c;
printf("Enter three integer number");
scanf("%d%d%d",&a,&b,&c);
printf("Forward order %d %d %dn",a,b,c);
printf("Reverse order %d %d %d",c,b,a);
return 0;
}
Output:

10. Q3:Write a program to calculate simple and compound
interest.
Program 3:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
#include<math.h>
int main()
{
int p,r,t;
float si,ci;
printf("Enter the principle, rate, time to calculate the simple and
compond intrest");
scanf("%d%d%d",&p,&r,&t);
si=(p*r*t)/100;
ci=p*pow((1+ r/100),t);
printf("Simple intrest equals to %f nCompound intrest equals
to %f",si,ci);
return 0;
}
Output:

11. Q4:Write a program to swap two variables' values with and
without using third variables.
(a) With Variable
Program 4(a):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a,b,c;
printf("Enterthe value of a and b respectively to swap the value");
scanf("%d%d",&a,&b);
c=a;
a=b;
printf("n Swapped value of a=%d",a);
b=c;
printf("nSwapped value of b=%d",b);
return 0;
}
Output:

12. (b) Without third variable:
Program 4(b):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int a,b;
printf("Enter the value of a and b respectively to swap the value");
scanf("%d%d",&a,&b);
a=a+b;
b=a-b;
a=a-b;
printf("n Swapped value of a=%d",a);
printf("nSwapped value of b=%d",b);
return 0;
}
Output:

13. Q5: Write a program to check odd or even number (a)
using modulus operator (b) using bitwise operator (c)
without using bitwise and modulus operator (d) using
conditional operator.
Program 5(a):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int x;
printf("n Enter any number to check it is a odd number or even
number.");
scanf("%d",&x);
if(x%2==0)
{
printf("n Entered number %d is a even number.",x);
}
else
{
printf("n Entered number %d is a odd number.",x);
}
return 0;
}
Output:

14. Program 5(b):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int x;
printf("n Enter any number to check it is a odd number or even
number.");
scanf("%d",&x);
if((x & 1)==1)
{
printf("n Entered number %d is a odd number.",x);
}
else
{
printf("n Entered number %d is a even number.",x);
}
return 0;
}
Output:

15. Program 5(c):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int x;
printf("n Enter any number to check it is a odd number or even
number.");
scanf("%d",&x);
if((x>>1)<<1==x)
{
printf("n Entered number %d is a even number.",x);
}
else
{
printf("n Entered number %d is a odd number.",x);
}
return 0;
}
Output:

16. Program 5(d):
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int x;
printf("n Enter any number to check it is a odd number or even
number.");
scanf("%d",&x);
printf("The number is %s",(x%2==0 ? "EVEN" : "ODD"));
return 0;
}
Output:

17. Q6. Print the value of y for given x=2 & z=4 and analyze
the output.
a. y = x++ + ++x;
b. y= ++x + ++x;
c. y= ++x + ++x + ++x;
d. y = x>z;
e. y= x>z? x:z;
f. y = x&z;
g. y= x>>2 + z<<1;
Program 6: Output:
// Syed Fuzail
// 22SCSE1011555
#include <stdio.h>
int main()
{
int x=2,z=4,y;
y=x++ + ++x;
printf("(a) Solution %dn",y);
y=++x + ++x;
printf("(b) Solution %dn",y);
y=++x + ++x + ++x;
printf("(c) Solution %d n",y);
y=x>2;
printf("(d) Solution %d n",y);
y=x>z ? x:z;
printf("(e) Solution %d n",y);
y=x&z;
printf("(f) Solution %d n",y);
y=x>>2 + z<<1;
printf("(g) Solution %d n",y);
return 0;
}

18. Q7. Write a program to print the size of char, float, double
and long double data types in C.
Program 7:
#include <stdio.h>
int main()
{
char a;
float b;
double c;
long double d;
printf("Enter any character n");
scanf("%c",&a);
printf("Enter any decimal valuen");
scanf("%f",&b);
printf("Enter any long value with decimaln");
scanf("%ld",&c);
printf("Enter any extra long value n");
scanf("%ld",&d);
return 0;
}
Output:

19. Lab Sheet #3
Q1.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.
Program 1:
//Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
int a,b,c;
printf("Enter any three numbers.n");
scanf("%d%d%d",&a,&b,&c);
if(a>b && a>c)
{
printf("%d is greater than %d and %dn",a,b,c);
if(a%2==0)
{
printf("%d is evenn",a);
}
else
{
printf("%d is oddn",a);
}
}
if(b>c && b>a)
{
printf("%d is greater than %d and %dn",b,a,c);
if(b%2==0)
{
printf("%d is evenn",b);
}
else

20. {
printf("%d is oddn",b);
}
}
if(c>a && c>b)
{
printf("%d is greater than %d and %d",c,a,b);
if(c%2==0)
{
printf("%d is evenn",c);
}
else
{
printf("%d is oddn",c);
}
}
if(a<b && a<c)
{
printf("%d is smaller than %d and %dn",a,b,c);
if(a%2==0)
{
printf("%d is evenn",a);
}
else
{
printf("%d is oddn",a);
}
}
if(b<c && b<c)
{
printf("%d is smaller than %d and %dn",b,a,c);
if(a%2==0)
{
printf("%d is evenn",b);
}
else
{
printf("%d is oddn",b);
}

21. }
if(c<b && c<a)
{
printf("%d is smaller than %d and %dn",c,a,b);
if(c%2==0)
{
printf("%d is evenn",c);
}
else
{
printf("%d is oddn",c);
}
}
return 0;
}
Output:

22. Q2:Write a program to check whether input alphabet is
vowel or not using if-else and switch statement.
Program 2:
Using If-else statement
//Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
char v;
printf("Enter any alphabet.n");
scanf("%c",&v);
if(v=='a'||v=='e'||v=='i'||v=='o'||v=='u'||v=='A'||v=='E'||v=='I'||v=='O'||
v=='U')
{
printf("Entered alphabet %c is vowel.",v);
}
else
{
printf("Entered alphabet %c is consonant",v);
}
return 0;
}
Output:

23. Using Switch Statement
//Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
char v;
printf("Enter any alphabet.n");
scanf("%c",&v);
switch(v)
{
case'a':
printf("Vowel");
break;
case'e':
printf("Vowel");
break;
case'i':
printf("Vowel");
break;
case'o':
printf("Vowel");
break;
case'u':
printf("Vowel");
break;
case'A':
printf("Vowel");
break;
case'E':
printf("Vowel");
break;
case'I':
printf("Vowel");
break;

24. case'O':
printf("Vowel");
break;
case'U':
printf("Vowel");
break;
default:
printf("Consonant");
}
return 0;
}
Output:

25. Q3. Write a program to get input of two or higher digit
integer number and display in reverse order.
Program 3:
// Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
int n, reverse = 0, remainder;
printf("Enter an integer: ");
scanf("%d", &n);
while (n != 0)
{
remainder = n % 10;
reverse = reverse * 10 + remainder;
n /= 10;
}
printf("Reversed number = %d", reverse);
return 0;
}
Output:

26. Q4. Write a program that asks a number and test the
number whether it is multiple of 5 or not, divisible by 7 but
not by eleven.
Program 4:
//Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
int n;
printf("Enter any number.n");
scanf("%d",&n);
if(n%5==0)
{
printf("%d is multiple of 5. n",n);
}
else
{
printf("%d is not multiple of 5.n",n);
}
if((n%7==0)&& (n%11!=0))
{
printf("Given Number is also divisible by 7 but not by 11.");
}
else
{
printf("Not divisible by 7 and 11");
}
return 0;
}

27. Output:

28. Q5. 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.)
Program 5:
//Syed Fuzail
//22SCSE1011555
#include <stdio.h>
int main()
{
int a;
printf("Enter any year to check leap year or not");
scanf("%d",&a);
if((a%4==0)||(a%400==0)&&(a%100==0))
{
printf("n %d is a leap year",a);
}
else
{
printf("n %d is not a leap year",a);
}
return 0;
}
Output:

29. Q6. Write a program to read the values of coefficients a, b
and c of a quadratic equation ax2+bx+c=0 and find roots of
the equation.
Program 6:
//Syed Fuzail
//22SCSE1011555
#include <math.h>
#include <stdio.h>
int main() {
double a, b, c, discriminant, root1, root2, realPart, imagPart;
printf("Enter coefficients a, b and c: ");
scanf("%lf %lf %lf", &a, &b, &c);
discriminant = b * b - 4 * a * c;
// condition for real and different roots
if (discriminant > 0) {
root1 = (-b + sqrt(discriminant)) / (2 * a);
root2 = (-b - sqrt(discriminant)) / (2 * a);
printf("root1 = %.2lf and root2 = %.2lf", root1, root2);
}
// condition for real and equal roots
else if (discriminant == 0) {
root1 = root2 = -b / (2 * a);
printf("root1 = root2 = %.2lf;", root1);
}
// if roots are not real
else {
realPart = -b / (2 * a);
imagPart = sqrt(-discriminant) / (2 * a);
printf("root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi", realPart,
imagPart, realPart, imagPart);
}

30. return 0;
}
Output: