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c++吧 关注：654,065贴子：2,118,032
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一个简单的树类，大家帮我看看错哪了

#include<iostream>
using namespace std;
class tree{
public:
tree(int ages);
int grow(int years);
private:
int age;
}
tree::tree(int ages){
ages=age;
}
tree::grow(int years){
return age+years;
}
int main(){
tree t(5);
cout<<t.grow(4)<<endl;
return 0;
}


F:\Program Files (x86)\Microsoft Visual Studio\MyProjects\5555\3.cpp(10) : error C2533: 'tree::tree' : constructors not allowed a return type
F:\Program Files (x86)\Microsoft Visual Studio\MyProjects\5555\3.cpp(17) : error C2264: 'tree::tree' : error in function definition or declaration; function not called


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