填空题
下列程序的执行结果是 【12】 。
#include＜iostream. h＞
class Studentpublic:
Student(int xx)x=xx;
virtual float calcFuition( );
protected:
int x;float Student:: calcTuition() return float(x* x)
class GraduateStudent:public Studentpublic:
GraduateStudent(int xx) :Student(xx)
float calcTuition( )
;
float GraduateStudent:: calcTuition( ) return float(x * 2);void main( ) Student s(20);
GraduateStudent gs(30);
cout＜＜s.calcTuition()＜＜" "＜＜gs. calcTuition()＝＝end1;
//计算学生s和研究生gs的学费
【参考答案】
400 60
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下列程序的运行结果是 【9】 。#include＜iomanip. h＞int Func(int * a, int n) int s=1; for(int i=0;i＜n; i++) s*= * a++; return s;void main( ) int a[]=1,2,3,4,5,6,7,8); int b=Func(a,6)+Fnnc(& a [5],2); cout＜＜ b= ＜＜b＜＜end1;