Hashing using structures

#include <stdio.h>
#include <stdlib.h>

struct databox{
	int data ;
	int key ;
};

struct databox create(int key,int data){
	struct databox temp;
	temp.data = data;
	temp.key = key;
	return temp;
}

int hashIndex(int data,int size){
	return data % size ;
}
int main(){
	int size,i,data;
	printf("Enter The Size:");
	scanf("%d",&size);
	struct databox hasharray[size];
	
	for(i = 0 ;i<size;i++){
		printf("Enter the %d ele:",i+1);
		scanf("%d",&data);
		hasharray[hashIndex(i+1,size)] = create(i+1,data);
		
		
	}
	for(i = 0 ;i<size;i++){
		printf("%d \n",hasharray[i]);
		
		
		
	}
	
	return 0;
}