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- #if !defined(_gcd_H)
- # define _gcd_H (1)
- /*Computes the gcd of two integers, _a and _b.
- _a: The first integer of which to compute the gcd.
- _b: The second integer of which to compute the gcd.
- Return: The non-negative gcd of _a and _b.
- If _a and _b are both 0, then 0 is returned, though in reality the
- gcd is undefined, as any integer, no matter how large, will divide 0
- evenly.*/
- int gcd(int _a,int _b);
- #endif
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