Main.cc: In function 'int main()': Main.cc:8:7: error: expected initializer before 'x' int n x y; ^ Main.cc:9:6: error: 'n' was not declared in this scope cin>>n>>x>>y; ^ Main.cc:9:9: error: 'x' was not declared in this scope cin>>n>>x>>y; ^ Main.cc:9:12: error: 'y' was not declared in this scope cin>>n>>x>>y; ^