Datasets:

PV-SJTU
/

PV-Bench

int exgcd(int a, int b, int *x, int *y)
;

int modular_inverse(int a, int modulus)

{
    int x;
    int y;
    int g = exgcd(a, modulus, &x, &y);

    int inverse = x % modulus;
    if (inverse < 0) {
        inverse += modulus;
    }
    return inverse;
}

	int exgcd(int a, int b, int x, int y)
	;

	int modular_inverse(int a, int modulus)

	{
	int x;
	int y;
	int g = exgcd(a, modulus, &x, &y);

	int inverse = x % modulus;
	if (inverse < 0) {
	inverse += modulus;
	}
	return inverse;
	}