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;}