Run id: 94649

Main.cc: In function 'void a(int)':
Main.cc:9:5: error: 'cout' was not declared in this scope
     cout<& __os)
     ^
Main.cc:13:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
     return x;
            ^
Main.cc: In function 'int main()':
Main.cc:18:5: error: 'cout' was not declared in this scope
     cout<