View Compilation Error

0_0_1104428_5850.cpp: In function `int main()':
0_0_1104428_5850.cpp:8: error: no match for 'operator!=' in '(&std::cin)->std::basic_istream<_CharT, _Traits>::operator>> [with _CharT = char, _Traits = std::char_traits<char>](((int&)(&n))) != -0x000000001'