Main.cc: In function ‘int main()’: Main.cc:5:11: error: unable to find string literal operator ‘operator""endl’ with ‘const char [4]’, ‘long unsigned int’ arguments cout<<"#_#"endl; ^~~~~~~~~ Main.cc:6:11: error: unable to find string literal operator ‘operator""endl’ with ‘const char [4]’, ‘long unsigned int’ arguments cout<<"-_-"endl; ^~~~~~~~~ Main.cc:7:11: error: unable to find string literal operator ‘operator""endl’ with ‘const char [4]’, ‘long unsigned int’ arguments cout<<"^_&"endl; ^~~~~~~~~ Main.cc:8:11: error: unable to find string literal operator ‘operator""endl’ with ‘const char [4]’, ‘long unsigned int’ arguments cout<<"^_^"endl; ^~~~~~~~~