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View Compilation Error

0_0_20451952_6139.cpp:4:6: error: expected nested-name-specifier before '&' token
 using std::cin;  
      ^
0_0_20451952_6139.cpp:4:17: error: 'cin' in namespace 'std' does not name a type
 using std::cin;  
                 ^
0_0_20451952_6139.cpp:4:26: error: expected constructor, destructor, or type conversion before ';' token
 using std::cin;  
                          ^
0_0_20451952_6139.cpp:4:32: error: expected constructor, destructor, or type conversion before ';' token
 using std::cin;  
                                ^
0_0_20451952_6139.cpp:5:6: error: expected nested-name-specifier before '&' token
 using std::cout;  
      ^
0_0_20451952_6139.cpp:5:17: error: 'cout' in namespace 'std' does not name a type
 using std::cout;  
                 ^
0_0_20451952_6139.cpp:5:27: error: expected constructor, destructor, or type conversion before ';' token
 using std::cout;  
                           ^
0_0_20451952_6139.cpp:5:33: error: expected constructor, destructor, or type conversion before ';' token
 using std::cout;  
                                 ^
0_0_20451952_6139.cpp:6:6: error: expected nested-name-specifier before '&' token
 using std::endl;  
      ^
0_0_20451952_6139.cpp:6:17: error: 'endl' in namespace 'std' does not name a type
 using std::endl;  
                 ^
0_0_20451952_6139.cpp:6:27: error: expected constructor, destructor, or type conversion before ';' token
 using std::endl;  
                           ^
0_0_20451952_6139.cpp:6:33: error: expected constructor, destructor, or type conversion before ';' token
 using std::endl;  
                                 ^
0_0_20451952_6139.cpp:7:5: error: 'nbsp' declared as reference but not initialized
 int main()  
     ^
0_0_20451952_6139.cpp:7:17: error: expected constructor, destructor, or type conversion before 'nbsp'
 int main()  
                 ^
0_0_20451952_6139.cpp:7:27: error: expected constructor, destructor, or type conversion before ';' token
 int main()  
                           ^
0_0_20451952_6139.cpp:8:1: error: expected unqualified-id before '{' token
 {  
 ^


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