求编写一个程序，悬赏5点体力。具体请看内容 - 数学建模社区-数学中国

#include<iostream>
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using namespace std;0 [: \& F4 u0 ^1 @. E* t
class vehicle( y# d+ Z4 W. G4 b2 @! m$ x, h8 h. }& m# c
{
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int wheels;7 D0 e/ q$ t I5 `! U1 @. G: S% G
double weight;: k$ l* |7 \2 a# F$ J* k: ^
public:
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vehicle(int wh=0,double we=0):wheels(wh),weight(we){}4 R) E. ?; S1 h# ]2 ~
int GetWheels(){return wheels;}8 Z( d; K7 Y6 N' n
double GetWeight(){return weight;}* `. z- z. Z0 T
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class car:private vehicle5 j6 i% c. t; S0 t# x
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int passenger_load;
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public:
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car(int wh=0,double we=0,int pa=0):vehicle(wh,we),passenger_load(pa){}8 |2 k! c8 G' x1 X7 N, r- L' K
int GetPassenger_load(){return passenger_load;}+ w+ G" C# Q8 F
int Car_GetWheels(){return GetWheels();}+ g* g- Y* Z' K; B1 f5 a
double Car_GetWeight(){return GetWeight();}
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};! g5 u* }& F2 {, z; d' R( y
class truck:private vehicle! `, ]9 z |4 Y
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int passenger_load;double payload;6 |. ~2 Q* L3 g0 Q, s
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truck(int wh=0,double we=0,int pa=0,double pay=0):vehicle(wh,we),passenger_load(pa),payload(pay){}
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int GetPassenger_load(){return passenger_load;}0 `, H D1 @+ l# x
double GetPayload(){return payload;}: u% w! m" ~5 E) p" m8 P
int Truck_GetWheels(){return GetWheels();}& n* f0 q2 c' s! @- S( e W
double Truck_GetWeight(){return GetWeight();}& `9 Y# C( c9 d7 r
};" M+ i# U: N% G/ X7 A, M8 q
int main()8 f& J9 _# ^5 O. ^/ B1 y; }
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vehicle a(4,100);
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cout<<a.GetWheels()<<endl<<a.GetWeight()<<endl;8 V& l# J7 C7 w* h
car b(4,100,6);
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cout<<b.Car_GetWheels()<<endl<<b.Car_GetWeight()<<endl<<b.GetPassenger_load()<<endl;
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truck c(4,100,50,6);0 O9 i+ e2 i( x' ^' Y0 D* `2 Y
cout<<c.Truck_GetWheels()<<endl<<c.Truck_GetWeight()<<endl<<c.GetPassenger_load()<<endl<<c.GetPayload()<<endl;
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system("pause");+ i/ |/ P: {, a! R" n6 f& S$ h! c
return 0;
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}

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