Program - 1
Q1. WAP to print “helloo friends…”?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
printf("helloo friends…");
getch();
}
Program - 2
Q.2 WAP to print sum of two numbers?
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int a, b, sum;
clrscr();
a=10;
b=20;
sum=a+b;
printf("\nA=10\nB=20\nSum
is =%d",sum);
getch();
}
Program - 3
Q.3 WAP to
Print SI Given Principle=Rs 20000, Rate = 2%, Time = 2 years?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int
p,r,t,SI;
clrscr();
p=20000;
r=2;
t=2;
SI=(p*r*t)/100;
printf("\nPrinciple=Rs.20,000\nRate=2%\nTime=2yrs");
printf("\nSI=%d",SI);
getch();
}
Program - 4
Q4. WAP to choose a number from the user and add
them?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int
a,b,sum;
clrscr();
printf("Enter
a Number:");
scanf("%d",&a);
printf("Enter
another Number:");
scanf("%d",&b);
sum=a+b;
printf("\nSum
of Number is :%d",sum);
getch();
}
Program - 5
Q5. WAP to
print a program to calculate the Area and Perimeter of Triangle?
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int
l,b,area,per;
clrscr();
printf("Enter
the Length:");
scanf("%d",&l);
printf("Enter
the Breadth:")
scanf("%d",&b);
area=l*b;
per=2*(l+b);
printf("\nArea
:%d\nPerimeter :%d",area,per);
getch();
}
Program - 6
Q6. WAP to swap the given numbers?
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int
a,b,c;
clrscr();
printf("Enter
a Number in A :");
scanf("%d",&a);
printf("Enter
another Number in B :");
scanf("%d",&b);
c=a; /*the value of 'a' is stored in 'c'*/
a=b; /*the value of 'b' is stored in 'a' now*/
b=c; /*nd value of 'c' is stored in 'b' */
printf("\nNow
A is:%d\nAnd B is:%d",a,b);
getch();
}
Program - 7
Q7. WAP to
accept the marks of 5 Subjects, find the total and percentage?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int
p,c,m,e,ped,sum,per;
clrscr();
printf("Enter
the Marks of Physics:");
scanf("%d",&p);
printf("Enter
the Marks of Chemistry:");
scanf("%d",&c);
printf("Enter
the Marks of Maths:");
scanf("%d",&m);
printf("Enter
the Marks of English:");
scanf("%d",&e);
printf("Enter
the Marks of Physical Education:");
scanf("%d",&ped);
sum=p+c+m+e+ped;
printf("\nSum
is:%d",sum);
per=(sum)/5;
printf("\nPercentage
is:%d",per);
getch();
}
Program - 8
Q8. WAP to print the Gross Salary?
ð DA =
40% of Basic Salary
ð HRA = 20% of Basic Salary
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
float
g,b,d,hra;
clrscr();
printf("Enter
the Basic Salary:");
scanf("%f",&b);
d=(40*b)/100;
hra=(20*b)/100;
g=b+d+hra;
printf("Gross
salary is :%f", g);
getch();
}
Program - 9
Q9. WAP to
convert and print this distance in Meters, Feet, Cm and Inches?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
float
d , m,cm,feet,inches;
clrscr();
printf("Enter
the Distance:");
scanf("%f",&d);
meter=d*1000;
cm=m*100;
feet=cm/30;
inches=feet*12;
printf("\nMeter=%f",meter);
printf("\nCm=%f",cm);
printf("\nFeet=%f",feet);
printf("\nInches=%f",inches);
getch();
}
Program - 10
Q10. WAP to calculate, area and perimeter of
rectangle?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
float
l,b,area,pm,r,Area,c,pi;
clrscr();
printf(“Enter
the Length:”);
scanf(“%f”,&l);
printf(“Enter
The Breadth:”);
scanf(“%f”,&b);
area=l*b;
pm=2*(l+b);
printf(“\nThe
Area is :%f”,area);
printf(“\nPerimeter:%f”,pm);
printf(“\n\nEnter
the Radius”);
scanf(“%f”,&r);
pi=3.14;
Area=pi*(r*r);
c=2*pi*r;
printf(“\nThe
area of Circle :%f”,Area);
printf(“\nCircumfrence
:%f”,c);
getch();
}
Program - 11
Q11. WAP to find the largest of three numbers?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int
a,b,c;
clrscr();
printf(“Enter
the values”);
scanf(“%d%d%d”,
&a, &b, &c);
{ if((a>b)&&(a>c))
printf(“%d”, a);
}
{ else if((c>b)&&(c>a))
printf(“%d”, c);
}
{ else
printf(“%d”, b);
}
getch();
}
Program - 12
Q12. WAP to find out whether a given number is
even or odd?
Ans.
#include<stdio.h>
#include<conio.d>
void main()
{
int a ;
clrscr();
printf("Enter the no.: " );
scanf("%d",&a);
{ if
(a%2=0)
printf("Its Even ");
else
printf("Its odd");
}
getch();
}
Program - 13
Q13. WAP to find out whether it’s a leap year or
not?
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int yrs ;
clrscr();
printf(“Enter a Year: “ );
scanf(“%d”,&yrs);
if (yrs%4==0)
printf(“It’s a Leap Year “);
else
printf(“Its Not a
Leap year “);
getch();
}
Program - 14
Q14. The marks obtained by a student in five
subjects are input through the keyboard. The student gets a division as per
following rules:
ð Percentage
above or equal to 60 – First Division
ð Percentage
above or equal to 50 – Second Division
ð Percentage
above or equal to 40 – Third Division
ð Percentage
less than 40 – Fail
WAP to calculate the division obtained by the
student.
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int p,c,m,e,biotech, sum,per ;
clrscr();
printf("Enter the marks of Physics: " );
scanf("%d",&p);
printf("Enter the marks of Chemistry: " );
scanf("%d",&c);
printf("Enter the marks of Maths: " );
scanf("%d",&m);
printf("Enter the marks of English : " );
scanf("%d",&e);
printf("Enter the marks of biotech: " );
scanf("%d",&biotech);
sum=p+c+m+e+ped;
per=sum/5;
if (per>=60)
printf("Ist Division ");
else if (per>=50)
/*if(per>=50 && per<=59)*/
printf("IInd Division ");
else if (per>=40)
printf("IIIrd
Division");
else
printf("Fail");
getch();
}
Program - 15
Q15. A
three-digit number is entered through the keyboard. WAP to obtain the reversed
number and to determine whether the original number and reversed number are
equal or not.
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int num,num1,a,b,c,rev;
clrscr();
printf("Enter the Number: " );
scanf("%d",&num);
a=num%10;
num=num/10;
b=num%10;
rev=a*100+b*10+num;
if (num1==rev)
printf("Its equal");
else
printf("No its not equal");
getch();
}
Program - 16
Q16. WAP to find the factors
value of any no. ?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int fact=1 ,num;
clrscr();
printf("Enter the Number: " );
scanf("%d",&num);
for(;num>0;num--)
fact=fact*num;
printf("Factorial=%d ",fact);
getch();
}
Program - 17
Q17. WAP to
find the factorial value of any number enter to the keyboard?
Ans
#include<stdio.h>
#include<conio.h>
void main()
{
int number, factorial=1;
clrscr();
printf("enter the number");
scanf("%d",&number);
while (number>0)
{
factorial=factorial*number;
number--;
}
printf("factorial
of a number=%d",factorial);
for(factorial=1, number>0,number--)
factorial=factorial*number;
getch();
}
Program - 18
Q18. Ten numbers are entered from the keyboard
into an array. Write programs to find out how many are even numbers and how
many are odd?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[10],i,count,count1;
clrscr();
printf("entre ten numbers");
for(i=0;i<=9;i++)
{
scanf("%d",&a[i]);
}
if(a[i]%2==0)
{
count++;
}
else
{
count1++;
}
printf("total
even numbers are %d",count);
printf("total
odd numbbers are %d", count1);
getch();
}
Program - 19
Q19. WAP to add Two
3X3 matrix ?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[3][3], b[3][3],sum[3][3] ;
int
i ,j ;
clrscr();
printf("Enter the Matrix ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d", & a[i][j]);
}
}
printf("enter
another Matrix ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",& b[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
sum[i][j]=a[i][j]+b[i][j];
}
}
printf("Sum
of the Two Matrix is : ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%d",sum[i][j]);
printf(" ");
}
printf("\n");
}
getch();
}
Program - 20
Q20. WAP to obtain transpose of 3x3 matrix ?
Ans.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[3][3], b[3][3],sum[3][3] ;
int i ,j ;
clrscr();
printf("Enter
the Matrix ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d", & a[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%d",a[j][i]);
printf("
");
}
printf("\n");
}
getch();
}
Program - 21
Q21. WAP to Multiply two 3x3 Matrix ?
Ans
#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k,
a[3][3] , b[3][3] , c[3][3] ;
clrscr();
printf("Enter
the Matrix ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d", & a[i][j]);
}
}
printf("Enter Another Matrix :");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&
b[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
c[i][j]=0;
for(k=0;k<3;k++)
{
c[i][j]=c[i][j]+a[i][k]*b[k][j];
}
printf("%d",
c[i][j]);
}
printf(" ");
printf("\n");
}
getch();
}
Program - 22
Q22.
WAP to calculate area of a circle using function?
Ans.
#include<stdio.h>
#include<conio.h>
int area(int);
void main()
{
float r
,a;
clrscr();
printf("Enter the radius ");
scanf("%f", &r);
a=area(r);
printf("Area=%f ",a);
getch();
}
int area(int r )
{ int c;
c=
3.14*r*r;
return(c);
}
Program - 23
Q23.
Wap to enter 10 no.s and print smallest and largest?
Ans
#include<stdio.h>
#include<conio.h>
void main()
{
int a[10],i,large=0,small=10;
clrscr();
printf("\nEnter 10
numbers: ");
for (i=0;i<10;i++)
{ scanf("%d",
& a[i] );
}
for(i=0;i<10;i++)
{
if(a[i]>large)
large=a[i];
// }
//for(i=0;i<10;i++)
// {
if(a[i]<small)
small=a[i];
}
printf("Largest: %d",large);
printf("\nSmallest: %d ",small);
getch();
}
Program
– 24
Q24. WAP to ask and display details of 10
employees using structures.
Ans.
#include<conio.h>
#include<stdio.h>
void main()
{
int
i;
struct
emp
{
char empN[15];
int
empID;
char
empD[10];
long
int empcon;
char
empHno[50];
}
emp[10];
clrscr();
for(i=0; i<10; i++)
{
scanf
("%s%s%s%ld%d", &emp[i].empN, &emp[i].empID,
&emp[i].empD, &emp[i].empcon, &emp[i].empHno);
}
for(i=0;i<10;i++)
{
printf("%d%s%s%ld%s The display of 10 employees are:", emp[i].empN, emp[i].empID, emp[i].empD,
emp[i].empcon, emp[i].empHno);
}
getch();
}
Program
– 25
Q25. WAP to find out whether the string
is a palindrome or not.
Ans.
#include<conio.h>
#include<stdio.h>
void main()
{
char
ch;
clrscr();
char
ch[20], ch1[20];
int
i,j;
puts("Enter
the character");
gets(ch);
i=len;
len=strlen(ch);
for(i=len;i>=0;i--)
{
ch[j]=ch[i];
j++;
}
i=strcmp(ch,ch1)
if
(i==0)
printf("string
is pallindrone");
else
printf("string
is not pallindrone");
getch();
}
Program
– 26
Q26. WAP to change the case of a
character.
Ans.
#include<conio.h>
#include<stdio.h>
void
main()
{
char
ch;
clrscr();
printf("Enter
Alphabet");
ch=getche();
printf("%d",
ch);
getch();
}
Program
– 27
Q27. WAP to search an element in an
array.
Ans.
#include<conio.h>
#include<stdio.h>
void
main()
{
char
ch;
clrscr();
ch=getche();
if(ch>=65
&& ch<=90)
{
ch=ch+32;
printf("%c",
ch);
}
else
{
ch=ch-32;
printf("%c",
ch);
}
getch();
}
Program
– 28
Q28. WAP to accept a single input
character and check if it is an upper case digit, lower case digit or a special
symbol.
Ans.
#include<conio.h>
#include<stdio.h>
void
main()
{
char
ch;
clrscr();
puts("Enter
The character");
ch=getche();
if(ch>=
'A' && ch<= 'Z')
puts("Uppercase
Letter");
else
if(ch>= 'a' && ch<= 'z')
puts("Lowercase
Letter");
else
if(ch>= '0' && ch<= '9')
puts("Digit");
else
puts("Special
symbol");
getch();
}
Q29. WAP to perform a pointer function.
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int i=10;
int *j;
clrscr();
j=&i;
printf("%u",
&i);
printf("\n%u",
j);
printf("\n%d",
i);
printf("\n%u",
&i);
printf("\n%d",
*(&i));
printf("\n%d",
*j);
getch();
}
Q30. WAP tp print the address of a value
and to print the next address of it.
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int i=3, *x;
clrscr();
x=&i;
printf("\n%u",
x);
x++;
printf("\n%u",
x);
getch();
}
Q31. WAP to find the address and value of
a program by using printers and to perform functions on it.
Ans.
#include<stdio.h>
#include<conio.h>
void
main()
{
int i, num[] =
{24,34,12,44,56,17};
clrscr();
for(i=0; i<=5; i++)
{
printf("\n%u",
&num[i]);
printf("\n%u\t%d",
&num[i], *(num+i));
printf("\n%d\t%d",
*(i+num), i[num]);
}
getch();
}
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