123

#include<iostream.h>
#include<math.h>
void main()
{
long double n,l,B,g,t,a,A,b,p,C,q,v,d,e,N,k;
int i,j;
for(i=1,j=0;i<=5;i++)
{
cin>>v>>t;
n=1.83000e-5;
l=2.00000e-3;
B=981.00000;
g=9.80000;
b=6.17000e-6;
p=76.00000;
d=5.00000e-3;
e=1.60000e-19;
a=sqrt(9*n*l/2/B/g/t);
A=(b/p/a)+1.00000;
C=pow(n*l/t/A,1.5);
q=18*3.1415926*C*d/sqrt(2.00000*B*g)/v;
j=q/e;
N=q/e;
if(N-j>=0.5)
j=j+1;
cout<<"第"<<i<<"组"<<endl;
cout<<"Q为："<<q<<endl;
cout<<"n为："<<j<<endl;
cout<<"e为："<<q/j<<endl;}
}