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);
^