Main.cc:1:12: error: stray '#' in program 18685522526#include ^ Main.cc:1:1: error: expected unqualified-id before numeric constant 18685522526#include ^ Main.cc: In function 'int main()': Main.cc:5:4: error: 'cin' was not declared in this scope cin>>n; ^ Main.cc:16:45: error: 'printf' was not declared in this scope printf("%d %.2lf %d %d",b,b*1.0/n,max,min); ^