cpp中,type *a=new type (n )和type *a ;a=new type (n );有什么区别?后者能编译通过吗?

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cpp中,type *a=new type (n )和type *a ;a=new type (n );有什么区别?后者能编译通过吗?
cpp中,type *a=new type (n )和type *a ;a=new type (n );有什么区别?后者能编译通过吗?

cpp中,type *a=new type (n )和type *a ;a=new type (n );有什么区别?后者能编译通过吗?
二者没有区别,都可以编译通过,只是后者多一条语句而已,牺牲一丁点效率而已

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