歐幾裏得距離和屬性相似度用C語言代碼如何實現

#include<math.h>

int?main()

{

double?x[10]={1,2,3,4,5,6,7,8,9,10};

double?y[10]={2,3,4,5,6,7,8,9,10,11};

double?d=0,sim;

int?i;

for(i=0;i<10;i++)

d+=(x[i]-y[i])*(x[i]-y[i]);

d?=?sqrt(d);

sim?=?1/(1+d);

printf("%lf?%lf\n",d,sim);

return?0;

}