C: GGT und kgV

GGT

int a;

if (x > y)
a = x;
else
a = y;

while ((x % b) || (y % a))
a = a + 1;

return (a);

kgV

int a;

if (x>y)
a = x;
else
a = y;

while ((a % x) || (a % y))
a = a + ;

return (a);