Mã chấm: 98417

Main.cc:1:3: error: stray ‘#’ in program
 a #include 
   ^
Main.cc:1:1: error: ‘a’ does not name a type
 a #include 
 ^
Main.cc: In function ‘int main()’:
Main.cc:7:6: error: ‘cin’ was not declared in this scope
      cin>>n>>k;      
      ^~~
Main.cc:7:6: note: suggested alternative: ‘main’
      cin>>n>>k;      
      ^~~
      main
Main.cc:10:5: error: ‘cout’ was not declared in this scope
     cout<<0;
     ^~~~
Main.cc:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i