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问题如下class ClassA{public:virtual ~ ClassA(){};virtual void FunctionA(){};};class ClassB{public: virtual void FunctionB(){};};class ClassC : public ClassA,public ClassB{publ

main(){ int*p1[3]; int p[3][3]={1,2,3,4,5,6,7,8,9};for(int i=0;i<3;i++){ p1[i]=p[i];}printf("%d",p1); printf("%d",p1+1);printf("%d",*(p1+1)); printf("%d",**(p1+1));}

float b=1.0f; cout<<"int(b) "<<int(b)<<endl; cout<<"(int&)b "<<(int&)b<<endl; cout<<"(int)&b "<<(int)&b<<endl; cout<<boolalpha<<"((int)b==(int&)b) "<<((int)b==(int&)b)<<endl; in

CString昨日调试代码发现CString::GetLength()函数总是返回0？百思不得其解。原来：在这之前调用了GetBuffer(int nMinBufLength )，优快云上关于GetBuffer(intnMinBufLength )，有以下说明：If you use the pointer returned by GetBuffer() to change the