View Compilation Error

0_0_19315021_29855.cpp:45:11: error: '::main' must return 'int'
 void main()
           ^
0_0_19315021_29855.cpp: In function 'int main()':
0_0_19315021_29855.cpp:50:15: error: cannot convert 'std::basic_ios<_CharT, _Traits>::eof<char, std::char_traits<char> >' from type 'bool (std::basic_ios<char>::)() const' to type 'bool'
     while(cin.eof)
               ^