Q.1. Write a program to perform all the

arithmetic operations i.e.

addition,subtraction,multiplication,division?

.

// Program to perform arithmetic

operations like

addition,subtraction,multiplication

and division.

#include

int add(int,int); /*function prototype declaration*/int sub(int,int);

int product(int,int);

float quotient(int,int);

int main()

{

int a,b;

printf(" Enter the first number :- ");

scanf("%d",&a);

printf("\n Enter the second number :- ");

scanf("%d",&b);

printf("\n The sum of %d and %d is :-

%d",a,b,add(a,b));

printf("\n The difference between %d

and %d is :- %d",a,b,sub(a,b));

printf("\n The product of %d and %d is :-

%d",a,b,product(a,b));

printf("\n The quotient of %d and %d

is :- %f\n",a,b,quotient(a,b));

return 0;

}

int add(int a,int b) /*function for addition*/{

return a+b;

}

int sub(int a,int b) /* function for substraction*/{

if(a>b)

return a-b;

else

return b-a;

}

int product(int a,int b) /* function for multiplication*/{

return a*b;

}

float quotient(int a,int b) /* function for division*/{

if(a>b)

return (float)a/b;

else

return (float)b/a;

}

OUTPUT :-

Enter the first number :- 3

Enter the second number :- 12

The sum of 3 and 12 is :- 15

The difference between 3 and 12 is :- 9

The product of 3 and 12 is :- 36

The quotient of 3 and 12 is :- 4.000000

Q.2. Write a program to calculate the

area and perimeter of trapezoid,

triangle and

circle and area of ellipse?

// Program to calculate Area and

perimeter of trapezoid, triangle and

circle and area of ellipse.

#include

#include

float

area

(float,float,float,float,float,float,float,float,float,float,float);

int main()

{

float a,b,h,c,d,e,f,r,x,y,z;

printf(" Enter the length of one of the

parallel sides of the trapezoid :-

");

scanf("%f",&c);

printf("\n Enter the length of the second

parallel side of the trapezoid :-

");

scanf("%f",&d);

printf("\n Enter the other two sides of

the trapezoid :- ");

scanf("%f%f",&e,&f);

printf("\n Enter the height of the

trapezoid :- ");

scanf("%f",&h);

printf("\n Enter the radius of the circle :-

");

scanf("%f",&r);

printf("\n Enter the length of the major

axis of the ellipse :- ");

scanf("%f",&a);

printf("\n Enter the length of the minor

axis of the ellipse :- ");

scanf("%f",&b);

printf("\n Enter the three sides of the

triangle :- ");

scanf("%f%f%f",&x,&y,&z);

area(a,b,c,d,e,f,h,r,x,y,z);

return 0;

}

float area(float a,float b,float c,float

d,float e,float f,float h,float

r,float x,float y,float z)

{

float a1,a2,a3,p1,p2,p3;

double a4;

a1=(22*a*b)/7;

printf("\n The area of the given ellipse

is :- %f ",a1);

a2=((a+b)*h)/2;

p1=(a+b+c+d);

printf("\n The area of the given

trapezoid is :- %f and perimeter is :- %f

",a2,p1);

a3=(22*r*r)/7;

p2=(2*22*r)/7;

printf("\n The area of the given circle

is :- %f and perimeter is :- %f

",a3,p2);

p3=x+y+z;

a4=sqrt((p3/2)*(p3/2-x)*(p3/2-y)*(p3/2-

z));

printf("\n The area of the given triangle

is :- %f and perimeter is :- %f

\n",a4,p3);

return 0;

}

OUTPUT :-

Enter the length of one of the parallel

sides of the trapezoid :- 5

Enter the length of the second parallel

side of the trapezoid :- 4

Enter the other two sides of the

trapezoid :- 3

4

Enter the height of the trapezoid :- 3

Enter the radius of the circle :- 4

Enter the length of the major axis of the

ellipse :- 5

Enter the length of the minor axis of the

ellipse :- 3

Enter the three sides of the triangle :- 3

4

5

The area of the given ellipse is :-

47.142857

The area of the given trapezoid is :-

12.000000 and perimeter is :-

17.000000

The area of the given circle is :-

50.285713 and perimeter is :- 25.142857

The area of the given triangle is :-

6.000000 and perimeter is :- 12.000000

Q.3. Write a program to find the

solution of a quadratic equation?

Date :- 17-01-2014.

// Program to find the solution of a

quadratic equation.

#include

#include

double quadratic(int,int,int); /* function prototype declaration*/int main()

{

int a,b,c;

printf(" Enter the value of 'a' in the

quadratic equation :- ");

scanf("%d",&a);

printf("\n Enter the value of 'b' in the

quadratic equation :- ");

scanf("%d",&b);

printf("\n Enter the value of 'c' in the

quadratic equation :- ");

scanf("%d",&c);

quadratic(a,b,c);

return 0;

}

double quadratic(int a,int b,int c) /* function for determining roots of quadratic equation*/{

double x1,x2;

if((b*b-4*a*c)b && a>c)?a:((b>c)?b:c);

int s=(a100 && n=50 && n=60 && n=70 && n=80 && n=90 && n100)printf(" Sorry!!! Maximum marks is 100.\n ");else if(n>=90)printf(" Grade : S \n");else if(n>=80)printf(" Grade : A \n");else if(n>=70)printf(" Grade : B \n");else if(n>=60)printf(" Grade : C \n");else if(n>=50)printf(" Grade : D \n");else if(n=10){a=s;s=0;while(a>0){r=a%10;a=a/10;s=s+r;d=d*10+r;}if(b==0){if(d==n)printf("\n The number is a palindrome\n");elseprintf("\n The number is not apalindrome \n");}b++;}return s;}OUTPUT :-Enter an integer :- 25652The number is a palindromeThe sum of digits of the number in onedigit is :- 2Q.11. Write a program to calculatefactorial of a number with and withoutrecursion?Date 01-02-2014.// Program to calculate factorial of anumber with and without usingrecursion#includeint fact(int);int factr(int);int main(){int n;printf(" Enter the value whose factorialhas to be found out :- ");scanf("%d",&n);if(fact(n)==0)printf("\n Factorial not possible \n");elseprintf("\n The factorial of %d withoutrecursion is :- %d \n",n,fact(n));if(factr(n)==0)printf(" Factorial not possible \n");elseprintf(" The factorial of %d usingrecursion is :- %d \n",n,factr(n));return 0;}int fact(int n){int i,f=1;if(nb){while(b>0){temp=a%b;a=b;b=temp;}return a;}else{while(a>0){temp=b%a;b=a;a=temp;}return b;}}int gcdr(int a,int b){int temp;if(a>b){temp=a%b;if(temp==0)return b;elsereturn(gcd(b,temp));}else{temp=b%a;if(temp==0)return a;elsereturn(gcd(a,temp));}}OUTPUT :-Enter the first number :- 35Enter the second number :- 6The Greatest common divisor of 35 and6 without using recursion is :- 1The Greatest common divisor of 35 and6 using recursion is :- 1Q.14. Write a program to print thefibonacci series upto a certain numberentered bythe user?Date 01-02-2014.// Program to print the fibonacci seriesupto a certain number entered bythe user#includeint fibonacci(int);int main(){int n;printf(" Enter the last limit of theseries :- ");scanf("%d",&n);fibonacci(n);return 0;}int fibonacci(int n){int a=0,b=1,s;printf("\n %d,%d",a,b);while((a+b)=1;i--){for(j=n;j>=i;j--)printf("%d ",j);printf("\n");}return 0;}int structure2(int n){int i,j;for(i=1;i=i;j--)printf("%d ",j);printf("\n");}return 0;}int structure3(int n){int i,j;for(i=1;i=1;j--)printf(" ");for(j=1;j=1;j--)printf("%d ",j);for(j=2;jb)return a-b;elsereturn b-a;}int multi(int a,int b){return (a*b);}float div(int a,int b){return (float)a/b;}int power(int a,int b){return pow(a,b);}int mod(int a,int b){return a%b;}OUTPUT :-Enter the first integer :- 6Enter the second integer :- 5Press '1' for addition, '2' forsubtraction , '3' for multiplication '4'for division and '5' to power and '6' tofind remainder :- 1The sum of 6 and 5 is :- 11Press '1' to coninue and '0' to exit!!! 1Enter the first integer :- 4Enter the second integer :- 6Press '1' for addition, '2' forsubtraction , '3' for multiplication '4'for division and '5' to power and '6' tofind remainder :- 4The quotient of 4 and 6 is :- 0.666667Press '1' to coninue and '0' to exit!!! 0Q.20. Write a program to find the gradeof a student using switch case?Date 14-02-2014.// Program to find the grade of a studentusing switch case.#includeint grade(float);int main(){float n;printf(" Enter your marks :- ");scanf("%f",&n);if(n=0)grade(n);elseprintf(" Wrong input !!! Maximum marksis 100 and minimum marks is 0. \n ");return 0;}int grade(float n){int n1=n/10;switch(n1){case 10:case 9: printf(" Grade S \n");break;case 8: printf(" Grade A \n");break;case 7: printf(" Grade B \n");break;case 6: printf(" Grade C \n");break;case 5: printf(" Grade D \n");break;case 4:case 3:case 2:case 1:case 0: printf(" Grade F \n");break;default: printf(" Wrong input !!!Maximum marks is 100 and minimummarks is0. \n ");}return 0;}OUTPUT :-Enter your marks :- 84Grade AQ.21. Write a program to calculate thesum and average of even and oddnumbers inan array?.Date 14-02-2014.// Program to calculate the sum andaverage of even and odd numbers in anarray#includevoid odd(int [],int);void even(int [],int);main(){int i,j=0,k=0,n,a[50],b[50],c[50];printf(" Enter the number ofelements you want to enter(max 50) :-");scanf("%d",&n);if(n0){for(i=0;ip;i--)a[i]=a[i-1];a[p]=n1;n++;printf(" The array after insertion is :- ");show(a,n);printf("\n\n");delete(a,n);}void delete(int a[],int n){int p,i;printf(" Enter the position of elementyou want to delete :- ");scanf("%d",&p);for(i=p;i