Program to find out complete square

/* program to check a number is complete square or not */

#include<iostream.h>

#include<conio.h>

void main()

{

int a,sq,c,i;

a=0;

cout<<"\nEnter a number:";

cin>>sq;

c=sq/2;

cout<<"\n------------------------------------------";

for(i=2;i<=c;i++)

{

if(sq==(i*i))

{

cout<<"\nNumber "<<sq<<" is "<<"Square of: "<<i;

a=1;

}

}

if(a==0)

{

cout<<"\nNot complete square";

}

cout<<"\n------------------------------------------";

getch();

}