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WAP to read two arrays and find the union.


WAP to read two arrays and find the union in C.


                

                Array 1 : 5,10,15,20,25,30

Array 2 : 10,20,45,60,70

Array 3 : 5,10,15,20,25,30,45,60,70

#include<stdio.h>
#include<conio.h>
void main()
{
int x[50],y[50],z[50],i,j,k,m,n,flag;

clrscr();

/*read the array */

printf("\nEnter the value of m:");
scanf("%d",&m);

for(i=0;i<m;i++)
{

printf("\nEnter the element :");
scanf("%d",&x[i]);
}

/*read the second array */ 

printf("\nEnter the value of n:");
scanf("%d",&n);

for(j=0;j<n;j++)
{
printf("\nEnter the element :");
scanf("%d",&y[j]);

}

/*find the union*/

/*copy the first array into the third*/

k=0;

for(i=0;i<m;i++)
{

z[k]=x[i];

k++;

}

/*copy only the uncommon elements of array second into the third */

for(j=0;j<n;j++)
{

flag=0;

for(i=0;i<k;i++)
{
if(y[j]==z[i])
flag=1;
} 

if(flag==0)
{
z[k]=y[j];

k++;
}
}

/* display the union of two arrays*/

for(i=0;i<k;i++)
{
printf("\nData = %d",z[i]);
}

getch();
}






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