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Numerisch stabile Version

int komb2(int k, int n) {

/* numerisch stabile Version:

erg = (n - (k-1))! / k! */

int i;

float erg;

for (i=0, erg=1; i<k; i++) {

erg *= (n - i) / (float) (1 + i);

}

return erg;

}