4_1.c
Write a program to print Fibonacci series. 1,1,2,3,5,……N
#include<stdio.h>
#include<conio.h>
void main()
{
int a=0,b=1,i,n,sum=0;
clrscr();
printf("\n Enter the value ");
scanf("%d",&n);
printf("\t1");
for(i=0;i<=n;i++)
{
if(i<1)
{
sum=1;
}
else
{
sum=a+b;
a=b;
b=sum;
printf("\n\t%d",sum);
}
}
getch();
}
4_2.c
Write a program to reverse the digit.
#include<stdio.h>
#include<conio.h>
void main()
{
long int a,n;
clrscr();
printf("Enter the value ");
scanf("%ld",&n);
while(n!=0)
{
a=n%10;
n=n/10;
printf("%ld",a);
}
getch();
}
4_3.c
Add, subtract and multiply two nos. using switch statement.
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,n,I,J,K;
clrscr();
printf("Enter the value of a=");
scanf("%d",&a);
printf("Enter the value of b=");
scanf("%d",&b);
printf("Enter the char");
scanf("%c",&n);
switch(n=getchar())
{
case 'a':
I=a+b;
printf("Addition of a&b is= %d",I);
break;
case 's':
J=a-b;
printf("Subsstrction of a&b is= %d",J);
break;
case 'm':
K=a*b;
printf("Multiplication of a&b is= %d",K);
break;
}
getch();
}
4_4.c
Write a program to add two matrixes.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[2][2],b[2][2],c[2][2],i,j;
clrscr();
printf("\nEnter the value Matrix-1\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\nEnter the value Matrix-2\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&b[i][j]);
}
}
printf("\nSum of two matrix 1&2 \n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
c[i][j]=a[i][j]+b[i][j];
printf("\n%d",c[i][j]);
}
}
getch();
}
4_5.c
Write a program to given no in ascending order.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[5],i,j,t;
clrscr();
for(i=0;i<5;i++)
{
printf("Enter the Element %d=",i+1);
scanf("%d",&a[i]);
}
for(i=0;i<5;i++)
{
for(j=i+1;j<5;j++)
{
if(a[i]>a[j])
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
}
}
printf("the Ascending order is");
for(j=0;j<5;j++)
{
printf("%5d",a[j]);
}
getch();
}
4_6.c
W.A.P to read array of integers and print it in reverse order
#include<stdio.h>
#include<conio.h>
void main()
{
int a[50],i,t;
clrscr();
printf("Enter the num.");
scanf("%d",&t);
for(i=0;i<t;i++)
{
printf("Enter the Element %d=",i+1);
scanf("%d",&a[i]);
}
printf("\nthe reverse arrey is\n");
for(i--;i>=0;i--)
{
printf("%d\n",a[i]);
}
getch();
}
Write a program to print Fibonacci series. 1,1,2,3,5,……N
#include<stdio.h>
#include<conio.h>
void main()
{
int a=0,b=1,i,n,sum=0;
clrscr();
printf("\n Enter the value ");
scanf("%d",&n);
printf("\t1");
for(i=0;i<=n;i++)
{
if(i<1)
{
sum=1;
}
else
{
sum=a+b;
a=b;
b=sum;
printf("\n\t%d",sum);
}
}
getch();
}
4_2.c
Write a program to reverse the digit.
#include<stdio.h>
#include<conio.h>
void main()
{
long int a,n;
clrscr();
printf("Enter the value ");
scanf("%ld",&n);
while(n!=0)
{
a=n%10;
n=n/10;
printf("%ld",a);
}
getch();
}
4_3.c
Add, subtract and multiply two nos. using switch statement.
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b,n,I,J,K;
clrscr();
printf("Enter the value of a=");
scanf("%d",&a);
printf("Enter the value of b=");
scanf("%d",&b);
printf("Enter the char");
scanf("%c",&n);
switch(n=getchar())
{
case 'a':
I=a+b;
printf("Addition of a&b is= %d",I);
break;
case 's':
J=a-b;
printf("Subsstrction of a&b is= %d",J);
break;
case 'm':
K=a*b;
printf("Multiplication of a&b is= %d",K);
break;
}
getch();
}
4_4.c
Write a program to add two matrixes.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[2][2],b[2][2],c[2][2],i,j;
clrscr();
printf("\nEnter the value Matrix-1\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\nEnter the value Matrix-2\n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
scanf("%d",&b[i][j]);
}
}
printf("\nSum of two matrix 1&2 \n");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
c[i][j]=a[i][j]+b[i][j];
printf("\n%d",c[i][j]);
}
}
getch();
}
4_5.c
Write a program to given no in ascending order.
#include<stdio.h>
#include<conio.h>
void main()
{
int a[5],i,j,t;
clrscr();
for(i=0;i<5;i++)
{
printf("Enter the Element %d=",i+1);
scanf("%d",&a[i]);
}
for(i=0;i<5;i++)
{
for(j=i+1;j<5;j++)
{
if(a[i]>a[j])
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
}
}
printf("the Ascending order is");
for(j=0;j<5;j++)
{
printf("%5d",a[j]);
}
getch();
}
4_6.c
W.A.P to read array of integers and print it in reverse order
#include<stdio.h>
#include<conio.h>
void main()
{
int a[50],i,t;
clrscr();
printf("Enter the num.");
scanf("%d",&t);
for(i=0;i<t;i++)
{
printf("Enter the Element %d=",i+1);
scanf("%d",&a[i]);
}
printf("\nthe reverse arrey is\n");
for(i--;i>=0;i--)
{
printf("%d\n",a[i]);
}
getch();
}
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