1) Write
a program in c to find area of circle (area of circle = Pi * r2).
#include <conio.h>
{
int r;
float Pi=3.14,area;
scanf ("%d", &r);
area = Pi * r * r;
printf ("\nResult of program to find
area of circle \n\n");
printf ("area of circle = %f\n", area);
getch();
}
Flowchart:
Output:
2) Write a program to
find average of 3 numbers and print result.
#include <conio.h>
{
int a,b,c,sum,avg;
printf("\n\nAccept the 3 numbers from
user\n" );
printf("Enter 3 integer Numbers:
");
scanf("%d%d%d",&a,&b,&c);
sum = a + b + c;
avg = sum/3;
printf ("\n Average of 3 numbers
= %d", avg);
getch();
}
Flowchart:
3) 3) Write a Program to find greater/maximum number amongst
2 numbers.
/* Prog no-3 Program to find
greater/maximum number amongst 2 numbers */
#include <stdio.h>
#include <conio.h>
void main()
{
int a,b;
clrscr();
printf("\n\nEnter two numbers : "
);
scanf("%d %d",&a,&b);
if(a>b)
{
printf("\nGreater/Maximum
number = %d",a);
}
else
{
printf("\nGreater/Maximum
number = %d",b);
}
getch();
}
Flowchart:
4) 4) Write a Program to find to check enter number is odd
or even.
/* Prog no-4 Program to find to
check enter number is odd or even */
#include <stdio.h>
#include <conio.h>
{
int num,rem;
clrscr();
printf("\nEnter one integer
number ");
scanf("%d",&num);
rem = num % 2;
if(rem==0)
{
printf("\n
%d is Even number ",num);
}
else
{
printf("\n
%d is Odd number",num);
}
getch();
}
Flowchart:
5) Write a program to check enter number
is +ve, -ve or Zero.
/*
Prog no-11 Program to check enter number is +ve, -ve or Zero */
#include
<stdio.h>
#include
<conio.h>
void
main()
{
int num;
clrscr();
printf("\nEnter one integer number
");
scanf("%d",&num);
if(num>0)
{
printf("\n %d is
+ve number ",num);
}
else if(num<0)
{
printf("\n %d is
-ve number ",num);
}
else
{
printf("\n %d is
Zero number ",num);
}
getch();
}
Flowchart:
Output
6) Write a program in C to print grade of student based
on percentage.
/* Prog no-6 Program to print grade
of student based on percentage */
#include <stdio.h>
#include <conio.h>
void main()
{
float per;
clrscr();
printf("\nEnter one percentage of
student ");
scanf("%f",&per);
if(per>=90)
{
printf("\n\n
Student percentage= %f \nThe Student has
A+ Grade ",per);
}
else if(per>=80 && per<=89)
{
printf("\n\n
Student percentage= %f \nThe Student has
A Grade ",per);
}
else if(per>=70 && per<=79)
{
printf("\n\n
Student percentage= %f \nThe Student has
B g Grade rad ",per);
}
else if(per>=60 && per<=69)
{
printf("\n\n
Student percentage= %f \nThe Student has
C Grade ",per);
}
else
{
printf("\nStudent
percentage= %f \nThe Student has D Grade
",per);
}
getch();
}
Output:
7) Write a C program to print weekday
based on given number
/* Prog no-7 Program
to print weekday based on given number */
#include <stdio.h>
#include <conio.h>
void main()
{
int day;
clrscr();
printf("\n\nEnter number of day from 1
to 7 : " );
scanf("%d",&day);
switch(day)
{
case
1:
printf("\n
Monday");
break;
case
2:
printf("\n
Tuesday");
break;
case
3:
printf("\n
Wednesday");
break;
case
4:
printf("\n
Thursday");
break;
case
5:
printf("\n
Friday");
break;
case
6:
printf("\n
Saturday");
break;
case
7:
printf("\n
Sunday");
break;
default:
printf("\n
Invalid number");
break;
}
getch();
}
Output:
Flowchart:
8) Write a Program to check enter character is vowel or
not.
/* Prog no-8 Program to check enter character is vowel or
not*/
#include <stdio.h>
#include <conio.h>
{
char ch;
scanf("%c",&ch);
{
case
'A':
printf("\n%c
is Vowel",ch);
break;
case
'E':
printf("\n%c
is Vowel",ch);
break;
case
'I':
printf("\n%c
is Vowel",ch);
break;
case
'O':
printf("\n%c
is Vowel",ch);
break;
case
'U':
printf("\n%c
is Vowel",ch);
break;
default:
printf("\n%c
is not Vowel it’s Consonant",ch);
break;
}
}
9)
Write a Program in C to find factorial of given number.
/* Prog no-9 Program to find
factorial of given number */
#include <conio.h>
{
int i=1, fact=1, num;
scanf("%d",&num);
{
fact
= fact * i;
i++;
}
printf("\nFactorial of %d =
%d",num,fact);
getch();
}
Flowchart:
10) Write a program in C to find sum of first 10 natural numbers
/* Prog no-10 Program to find sum of first 10 natural numbers */
#include <stdio.h>
#include <conio.h>
void main()
{
int i=1, sum=0;
clrscr();
while(i<=10)
{
sum
= sum + i;
i++;
}
printf("\nThe Sum of first 10 natural number = %d",sum);
getch();
}
Output:
Flowchart:
11)
Write a C program to find odd numbers up to N.
/* Prog no-11 Program to find odd
numbers up to n number */
#include <stdio.h>
#include <conio.h>
void main()
{
int i=1, N;
clrscr();
printf("\n Odd numbers print up to n
number\n Give N number : ");
scanf("%d",&N);
while(i<=N)
{
printf("\t%d",i);
i=i+2;
}
getch();
}
Output:
Flowchart:
12)
Write a Program to print Fibonacci series up to Nth
number.
/* Prog no-12 Program to print
Fibonacci series */
#include <stdio.h>
#include <conio.h>
void main()
{
int n,num1=0, num2=1, i=1, sum;
clrscr();
printf("\nEnter n th number : ");
scanf("%d",&n);
printf("\n Fibonacci series = ");
do
{
sum
= num1 + num2;
printf("\t%d",sum);
num1
= num2;
num2
= sum;
i++;
}while(i<=n);
getch();
}
Output:
Flowchart:
13)
Write a program to print following series
1
2
3
4 5 6
/* Prog no: 13 Program to print following
series
1
2 3
4 5 6 */
#include <stdio.h>
#include <stdio.h>
void main()
{
int i, j, rows, num=1;
printf("Input number of rows : ");
scanf("%d",&rows);
for(i=1;i<=rows;i++)
{
for(j=1;j<=i;j++)
{
printf("%d ",num);
num = num + 1;
}
printf("\n");
}
}
Output: (* Note:
enter Nth value = 3)
Flowchart:
14)
Write a Program to print Prime number from 1 to 100.
/* Program to print Prime number
from 1 to 100 */
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j;
clrscr();
printf("\nPrime numbers\n");
for(i = 2; i<100; i++)
{
for(j = 2; j <= (i/j); j++)
if(i%j==0)
break;
// if factor found, not prime
if(j > (i/j))
printf("%d\t",
i);
}
getch();
}
Output:
15)
Write a Program in C to find largest number in an
array
/* Program to find largest number
in an array */
#include <stdio.h>
#include <conio.h>
void main()
{
int i,a[5],large;
clrscr();
printf("\n\n Enter 5 array element\n ");
//scanf("%d",&a[0]);
for(i=0;i<5;i++)
{
scanf("\n%d",&a[i]);
}
large=0;
for(i=0;i<5;i++)
{
if(a[i]>large)
{
large=a[i];
}
}
printf("\nlarge number = %d",large);
getch();
}
Flowchart:
Output:
16) Write a C program to sort an array element in ascending order.
/* Program No:16 program to sort an array element in ascending order */
#include <stdio.h>
#include <conio.h>
void main()
{
int a[5],i,j,temp;
clrscr();
printf("\n\nEnter 5 array element\n ");
for(i=1;i<=5;i++)
{
scanf("%d",&a[i]);
}
for(i=1;i<=5;i++)
{
for(j=1;j<=5;j++)
{
if(a[i]<a[j])
{
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
printf("\nArray elemente in Accending order\n");
for(i=1;i<=5;i++)
{
printf("\n%d ",a[i]);
}
getch();
}
Output:
17) Write a program in C to find sum of two Matrix.
/* Program to find sum of two Matrix */
#include <stdio.h>
#include <conio.h>
void main()
{
int i,j,mat1[2][2],mat2[2][2],sum[2][2];
clrscr();
printf("\n\nType 4 element for first matrix mat1 = ");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&mat1[i][j]);
}
}
printf("\n\nType 4 element for first matrix mat2 = ");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&mat2[i][j]);
}
}
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
sum[i][j]=mat1[i][j]+mat2[i][j];
}
}
printf("\n\nFirst of 2 x 2 Matrix = ");
for(i=0;i<2;i++)
{
printf("\n");
for(j=0;j<2;j++)
{
printf("%d\t",mat1[i][j]);
}
}
printf("\n\nSecond of 2 x 2 Matrix = ");
for(i=0;i<2;i++)
{
printf("\n");
for(j=0;j<2;j++)
{
printf("%d\t",mat2[i][j]);
}
}
printf("\n\nSum of 2 x 2 Matrix = ");
for(i=0;i<2;i++)
{
printf("\n");
for(j=0;j<2;j++)
{
printf("%d\t",sum[i][j]);
}
}
getch();
}
Output:
18) Write a program perform transpose (transpose means interchange row in to column and column in to row) matrix.
/* Program No: 18 Program to perform transpose (transpose means interchange row in to column and column in to row) matrix */
#include <stdio.h>
#include <conio.h>
void main()
{
int i,j,mat[3][3];
clrscr();
printf("\n\nPrint 9 element for matrix = ");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&mat[i][j]);
}
}
printf("\nPrint Matrix\n ");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",mat[i][j]);
}
}
printf("\n\n Transpose Matrix(interchange row in to column and column in to row)\n ");
for(i=0;i<3;i++)
{ printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",mat[j][i]);
}
}
getch();
}
Output:
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