Main.cc:5:2: error: 'cin' does not name a type
cin>>a>>b;
^
Main.cc:7:2: error: 'cin' does not name a type
cin>>n;
^
Main.cc:10:2: error: expected unqualified-id before 'if'
if(la>n){
^
Main.cc:12:3: error: expected unqualified-id before 'else'
}else{
^
Main.cc:15:1: error: expected declaration before '}' token
}
^