Run id: 79412

Main.cc:2:19: warning: extra tokens at end of #include directive
 #include  using namespace std; 
                   ^
Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cin' was not declared in this scope
     cin>>N>>M; 
     ^
Main.cc:5:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:8:29: error: 'a' was not declared in this scope
     for(int i=1;i<=N;i++) { a[i]=-1; 
                             ^
Main.cc:13:66: error: 'a' was not declared in this scope
                               for(int j=1;j<=N;j++) { if(j%i==0) a[j]*=-1;
                                                                  ^
Main.cc:19:60: error: 'a' was not declared in this scope
                                                         if(a[i]==-1) 
                                                            ^
Main.cc:20:59: error: 'cout' was not declared in this scope
                                                         { cout<