#include <stdio.h>
int kaijo(int a,int b)
{
int i,x,y,z,kekka;
x = 1;
for(i=a;i>1;i--)
{
x = x*i;
}
y = 1;
for(i=b;i>1;i--)
{
y = y*i;
}
z = 1;
for(i=a-b;i>1;i--)
{
z = z*i;
}
kekka = x / y*z;
return kekka;
}
int main(void){
int comb(int m,int k)
{
int p,q;
printf("%d個の中から%d個を取り出す組合せ数は%d通りです\n",p
,q
,kaijo
(p
,q
));
}
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQga2Fpam8oaW50IGEsaW50IGIpCgl7CgkJaW50IGkseCx5LHosa2Vra2E7CgkJeCA9IDE7CgkJZm9yKGk9YTtpPjE7aS0tKQoJCXsKCQkJeCA9IHgqaTsKCQl9CgkJeSA9IDE7CgkJZm9yKGk9YjtpPjE7aS0tKQoJCXsKCQkJeSA9IHkqaTsKCQl9CgkJeiA9IDE7CgkJZm9yKGk9YS1iO2k+MTtpLS0pCgkJewoJCQl6ID0geippOwoJCX0KCQkKCQlrZWtrYSA9IHggLyB5Kno7CgkJcmV0dXJuIGtla2thOwoJfQoKaW50IG1haW4odm9pZCl7CglpbnQgY29tYihpbnQgbSxpbnQgaykKCXsKCQlpbnQgcCxxOwoJCXByaW50ZigibeOCkuWFpeWKm+OBl+OBpuOBj+OBoOOBleOBhDpcbiIpOwoJCXNjYW5mKCIlZCIsJnApOwoJCXByaW50Zigia+OCkuWFpeWKm+OBl+OBpuOBj+OBoOOBleOBhDpcbiIpOwoJCXNjYW5mKCIlZCIsJnEpOwoJCXByaW50ZigiJWTlgIvjga7kuK3jgYvjgoklZOWAi+OCkuWPluOCiuWHuuOBmee1hOWQiOOBm+aVsOOBryVk6YCa44KK44Gn44GZXG4iLHAscSxrYWlqbyhwLHEpKTsKCQkKCQoJfQp9Cg==