View Compilation Error

0_0_17403575_16991.cpp:2:7: error: stray '#' in program
  #define M 1000 
       ^
0_0_17403575_16991.cpp:2:6: error: expected constructor, destructor, or type conversion before ';' token
  #define M 1000 
      ^
0_0_17403575_16991.cpp:2:8: error: 'define' does not name a type
  #define M 1000 
        ^
0_0_17403575_16991.cpp:2:20: error: 'M' does not name a type
  #define M 1000 
                    ^
0_0_17403575_16991.cpp:2:27: error: expected unqualified-id before numeric constant
  #define M 1000 
                           ^
0_0_17403575_16991.cpp:3:5: error: 'nbsp' declared as reference but not initialized
 int main() {  
     ^
0_0_17403575_16991.cpp:3:17: error: expected constructor, destructor, or type conversion before 'nbsp'
 int main() {  
                 ^
0_0_17403575_16991.cpp:3:22: error: expected unqualified-id before '{' token
 int main() {  
                      ^