void func1()
{
int *pa = NULL;
func2(pa);
delete pa;
}
void func2(int *pb)
{
pb = new int(5);
}
[单选题]有下列程序void func1(int i);void func2(int i);char st[ ]="hello,friend! ";void func1(int i){ printf("%c",st[i]); if(i<3){i+=2;func2(i);}}void func2(int i){ printf("%c",st[i]); if(i<3){i+=2;func1(i);}}main(){ int i=0;func1(i); printf("\n");}执
[主观题]下面代码有何错误void func2(int *value){*value = 2;}void func1(){int *p = 0;func2(p);}
[主观题]int func1(int& b){return 0;}void func2(){int bbb = 3;func1(&bbb);func1(bbb);}func2中有何错误,func1的参数b 的类型是什么。
[单选题]有如下程序void func1(int st[],int i){ printf("%c",st[i]); if(i}void func2(int st[],int i){ printf("%c",st[i]); if(i}main(){ char st[ ]="hello,friend! "; int i=0;func1(st,i); printf("\n");}程序执行后输出的结果是A.hello B.hel C.hlo D.编译出错
[单选题]下列程序执行后的输出结果是 void func1(int i); void func2(int i); char st[]="hello,friend!”; void func1(int i) { printf("%c",st[i]); if(i<3){i+=2;func2(i);}} void func2(int i) { printf("%c",st[i]); if(i<3){i+=2;func1(i);}} { int i=0;func1(i);printf("/n");}A
[单选题]下列程序执行后的输出结果是( )。 void func1 (int i); void func2(int i); char st[]="hello,friend!"; void func1 (int i) { printf("%c",st[i]); if(i<3){i+=2;func2(i);} } void func2(int i) { printf("%c",st[i]); if(i<3){i+=2;func1(i);}A.helloB.helC.holD.hlm
[单选题]下列程序执行后的输出结果是void func1(int i);void func2(int i);char st[]="hello,friend!";void func1(int i){ printf("%c",st[i]);if(i<3){i+=2;func2(i);}}void func2(int i){ printf("%c",st[i]);if(i<3){i+=2;func1(i);}}main(){ int i=0; func1(i); printf("/n
[单选题]下列程序执行后的输出结果是void func1(int i);void func2(int i);char st[]="hello,friend!";void func1(int i){ printf("%c",st[i]);if(i<3){i+=2;func2(i);}}void func2(int i){ printf("%c",st[i]);if(i<3){i+=2;func1(i);}}main(){ int i=0; func1(i); printf("/n
[单选题]对于类定义class A{public:virtual void func1( ) {}void func2( ) {}};class B: public A{public:void func1( ) {cout < < "class B func 1" < < endl;}virtua1 void func2( ) {cout < < "class B func 2" < < endl;}};下面正确的叙述是A.A: :func2( ) 和B: :func1( ) 都是虚函数B.A:
[单选题]对于类定义 class A{ public: virtual void func1( ){} void func2( ){} }; class B:public A{ public: void func1( ){cout<<"class B func 1"< < end1;} virtual void func2( ){cout << "class B func2"<< end1;} }; 下面正确的A.A::func2( )和B::func1( )都是虚函数B.A::func2( )和