- #include <iostream> 
- class A 
- { 
- public: 
-     static int a; 
-     static int b; 
- }; 
-   
- int A::a = 200; 
- int a = 100; 
- int A::b = ::a; 
- int main(int argc, char* argv[]) 
- { 
-     std::cout << A::b << std::endl; 
-   
-     return 0; 
- } 
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