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Factorial, swapping, largest no . . . .


1.     Write a program to perform factorial.
#include<stdio.h>
#include<conio.h>

void main()
{
int a,fact=1;
clrscr();
printf("enter no");
scanf("%d",&a);
while(a>=1)
{
        fact=fact*a;
        a--;
}
printf("==%d",fact);
getch();
}

2.     Write a program to arrange the elements in ascending and descending order.

#include<stdio.h>
#include<conio.h>

void main()
{
int no[10],x,y,temp;
clrscr();

for(x=0;x<5;x++)
{
      printf("enter the %d value",x);
      scanf("%d",&no[x]);
}

for(x=0;x<5;x++)
{
      for(y=0;y<5;y++)
      {
                  if(no[x]>no[y])
                  {
                  temp=no[x];
                  no[x]=no[y];
                  no[y]=temp;
                  }
      }
}
printf("\n descending order");
for(x=0;x<5;x++)
{
      printf("%d",no[x]);
}
printf("ascending order");
for(x=4;x>=0;x--)
{
      printf("%d",no[x]);
}

getch();
}

3.     Write a program to check whether the number is heterogeneous or not.

#include<stdio.h>
#include<conio.h>

void main()
{
int no,y,sum=0,mul=1;
clrscr();
printf("enter the no==");
scanf("%d",&no);
while(no>0)
{
      y=no%10;
      sum=sum+y;
      mul=mul*y;
      no=no/10;
}

if(sum==mul)
printf("hetrogeneous");
else
printf("not");
getch();
}

4.     Write a program to swap two numbers.

#include<stdio.h>
#include<conio.h>

void main()
{
int a,b;
clrscr();
printf("enter a and b=");
scanf("%d%d",&a,&b);
printf("a is %d and b is %d",a,b);
hello(&a,&b);
printf("a is %d and b is %d",a,b);
}

hello(int *p1,int *p2)
{
int temp;
temp=*p1;
*p1=*p2;
*p2=temp;
return(0);
}

5.     Write a program to find the biggest number from the given number.

#include<stdio.h>
#include<conio.h>

void main()
{
long int no,y,max;
clrscr();
printf("enter any long no");
scanf("%ld",&no);

while(no>0)
{
      y=no%10;

      if(y>max)
      {
      max=y;
      }
      no=no/10;
}
printf("the biggest is %ld",max);
getch();
}



Made By: Chaudhary Amit V. 


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