Main.cc: In function 'int main()':
Main.cc:6:2: error: expected initializer before 'cin'
cin>>n;
^
Main.cc:8:8: error: 'a' was not declared in this scope
cin>>a[i];
^
Main.cc:10:17: error: expected primary-expression before '>=' token
for(int i =n-1;>=0;i--){
^
Main.cc:11:9: error: 'a' was not declared in this scope
cout<