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

	  void mergesort(int [],int,int);
	  void merge(int [],int,int,int);

	  void main()
	  {
		 int data[50],i,no_elements;
		 printf("\n enter no. of elements :");
		 scanf("%d",&no_elements);
	
		 printf("\n enter elements:");

		 for(i=0;i<no_elements;i++)
		 {
...