View Compilation Error

0_0_4051311_16551.cpp: In function `void _main()':
0_0_4051311_16551.cpp:27: error: incompatible types in assignment of `int*' to `int[(((unsigned int)((int)(&b)->std::basic_string<_CharT, _Traits, _Alloc>::length [with _CharT = char, _Traits = std::char_traits<char>, _Alloc = std::allocator<char>]())) + 1u)]'