摘要:
113 Power of Cryptography1 #include2 #include3 int main()4 {5 double n,p;6 while(scanf("%lf%lf",&n,&p)!=EOF)7 printf("%.0lf\n",pow(p,1/n));8 ... 阅读全文
摘要:
数学题推导过程:(a-1)个点与a的第一个点与b个点相连的线的交点的个数为:(a-1)[(b-1)+(b-2)+(b-3)+...+2+1](a-2)个点与a的第二个点与b个点相连的线的交点的个数为:(a-2)[(b-1)+(b-2)+(b-3)+...+2+1]...(a-(a-1))个点与a的第... 阅读全文