# Write a program to sort two arrays and combine them into one array using mergesort

## Source Code

#include<stdio.h>
#include<conio.h>
int main (int argc, char *argv[])
{
clrscr();
int ar[100];
int ar2[100];
int arm[100];
int r1,r2,r,i,j,f=0;
for(i=0;i<100;i++)
{
ar[i]=0;
ar2[i]=0;
arm[i]=0;
}
printf("\n Enter the range of two arrays:(less than 100) ");
scanf("%d %d",&r1,&r2);
printf("\n Enter the elements of the first array:");
for(i=0;i<r1;i++)
{
printf("\n Enter element number: %d ",(i+1));
scanf("%d",&ar[i]);
}
printf("\n Enter the elements of the second array:");
for(i=0;i<r2;i++)
{
printf("\n Enter element number: %d ",(i+1));
scanf("%d",&ar2[i]);
}
r=r1+r2;
for(i=0;i<r1;i++)
{
arm[i]=ar[i];
}
for(i=r1;i<r;i++)
{
for(j=0;j<i;j++)
{
if(ar2[i-r1]==arm[j])
{
f=1;
break;
}
}
if(f==0)
arm[i]=ar2[i-r1];
}
printf("\n The elements of merged array is:");
for(i=0;i<r;i++)
{
printf("%d ",arm[i]);
}
getch();
}

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