算法竞赛入门经典（第2版）习题2-5

int main()
{
double a, b;
int count = 0;
int c[100] ;
double Case[100] ;
while (cin >> a >> b >> c[count]&&a!=0&&b!=0&&c!=0)
{
Case[count] = a/b;
count++;
}
for (int j = 0; j < count; j++)
{
cout.setf(ios_base::fixed, ios_base::floatfield);
cout.precision(c[j]);
cout << "Case " << j+1 << ": " << Case[j] << endl;
}
return 0;
}