C++
1:单选(2分R) 下列程序的输出结果是( )。eB#include <iostream.h>void main(){ int a[5]={2,4,6,8,10}; int *p=a,**q=&p; cout<<*(p++)<<','<<**q;} 9[Jm/wjx;3IH4 HP))Lh5v4hp1.QBx 9G?#KJTC9X]\pTVd5 hpqvctA#HI7@kF
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11:单选(2分D) 下列程序的输出结果是( )。fK#include 〈iostream.h〉enum TEAM{Jone,Adam,Smith=10,Bob=12,Liang};void main(){ cout<<Adam<<','<<Liang<<endl;} Sz=cp]RGdS]xQ,Td px^%6l V=bysZtu[zGp %=Uvs_N1T-?O9%
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21:单选(2分0) #include <iostream.h>#include <math.h>class point{ public:point(double xx,double yy){x=xx;y=yy;}void getxy();friend double distance(point &a,point &b); private:double x,y;};void point::getxy(){ cout<<〃(〃<<x<<〃,〃<<y<<〃)〃<<endl;}double distance(point &a,point &b){ double dx=a.x-b.x; double dy=a.y-b.y; return sqrt(dx*dx+dy*dy);}void main(){point p1(3.0,4.0),p2(6.0,8.0);p1.getxy();p2.getxy();double d=distance(p1,p2);cout<<d<<endl;} cmdd=y)dXC2v]A%: $?d0l4Bi lC=kRp.N;`k:Y Y#9aF+v
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