insert number at desired position in an array

How to insert an element at desired position in an array

#include<stdio.h>

int main(){

int a[50],size,num,i,pos,temp;

printf("\nEnter size of the array: ");

scanf("%d",&size);

printf("\nEnter %d elements in to the array: ",size);

for(i=0;iscanf("%d",&a[i]);

printf("\nEnter position and number to insert: ");

scanf("%d %d",&pos,&num);

i=0;

while(i!=pos-1)

i++;

temp=size++;

while(i{

a[temp]=a[temp-1];

temp--;

}

a[i]=num;

for(i=0;iprintf(" %d",a[i]);

return 0;

}