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下列程序的输出结果是 【14】 。 #include ＜iostream＞ using namespace std; template ＜typename T＞ T total (T *data) { T s = 0; while(*data) { s+=*data++; } return s; } int main() { int x[]={2,4,6,8,0,12,14,16,18}; cout＜＜total(x)＜＜end1; return 0; }

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下面程序的输出结果是 【15】 。#include ＜iostream.h＞#include ＜math.h＞class point{double x;double y;public:point(double a, double b) {x=a;y=b;}friend double distance(point a, point b) ;};double distance(point a, point b) {return sqrt ((a. x-b.x) * (a. x-b.x)+ (a. y-b. y) * (a. y-b. y) );}void main(){point p1(1,2);point p2(5,2);cout＜＜distance(p1,p2)＜＜end1;}
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下面程序的输出结果为：Base:: fun，请将程序补充完整。#include ＜iostream.h＞class Base{public:【12】 fun(){cout＜＜ Base::fun ＜＜end1:}class Derived : public Base{public:【13】 fun(){ cout＜＜ Derived::fun ＜＜end1; }};int main(){Base a,*pb;Derived b;pb = &b;pb-＞fun();return 0;}
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