更多"有以下程序: #include <iostream> usin"的相关试题:
[单项选择]若有以下程序 #include <iostream> using namespace std; class A { public: A(int i,int j) { a=i; b=j; } void move(int x,int y) { a+=x; b+=y; } void show( ) cout<<a<<","<<b<<end1; private int a,b; }; class B: private A { public: B(int i,int j):A(i,j) {} void fun( ) { move(3,5); } void fl( ) { A::show( ); } int main( ) { B d(3,4); d. fun( ); d.fl( ); return 0; } 程序执行后的输出结果是
A. 3,4
B. 6,8
C. 6,9
D. 4,3
[单项选择]有以下程序 #include<iostream> using namespace std; class Complex { public: Complex(double r=O,double i=0):re(r),im(i){} double real( ) const {return re;} double imag( )const {return im;} Complex operator +(Complex C) const {return Complex (re+c.re,im+c.im);} private: double re,im; }; int main( ) { Complex a=Complex(1,1)+Complex (5); cout<<a.real( )<<’+’<<a.imag( )<<’i’<<endl; retum 0; } 程序执行后的输出结果是
A. 6+6i
B. 6+1i
C. 1+6i
D. 1+1i