compute the double square...... :(

[Gary Herron]

On 01/08/2011 10:10 PM, aregee wrote:
> Double Squares
> A double-square number is an integer X which can be expressed as the
> sum of two perfect squares. For example, 10 is a double-square because
> 10 = 32 + 12. Your task in this problem is, given X, determine the
> number of ways in which it can be written as the sum of two squares.
> For example, 10 can only be written as 32 + 12 (we don't count 12 + 32
> as being different). On the other hand, 25 can be written as 52 + 02
> or as 42 + 32.

Huh?  In what number system does  10 = 32 + 12?
And how do either 32 or 12 qualify as perfect squares?

Gary Herron



> Input
> You should first read an integer N, the number of test cases. The next
> N lines will contain N values of X.
> Constraints
> 0 ≤ X ≤ 2147483647
> 1 ≤ N ≤ 100
> Output
> For each value of X, you should output the number of ways to write X
> as the sum of two square
>
> Is the code mention below solution to this question ???? what is the
> fault...
> Error :
> aregee at aregee-laptop:~/Desktop$ python pie.py
> enter a number::10
> pie.py:3: Deprecation Warning: integer argument expected, got float
>    for b in range(0,(x**0.5)/2):
>
> #Double square....
>
> x = input("enter a number::")
> for b in range(0,(x**0.5)/2):
>        a = (x-(b**2))**0.5
> try:
>        a = int(a)
> except:
>        print("not an integer")
>        exit(1)
>
>        count = 0;
>        count = count + 1;
> if (x == a**2 + b**2):
>
>        print "double square"