Eroare de compilare: user.cpp: In function ‘void arrange()’: user.cpp:33:30: error: expected identifier before ‘!’ token for(;k<n; && !d[1][k];++k); ^ user.cpp:33:30: error: expected ‘)’ before ‘!’ token user.cpp:33:37: warning: statement has no effect [-Wunused-value] for(;k<n; && !d[1][k];++k); ^ user.cpp:33:42: error: expected ‘;’ before ‘)’ token for(;k<n; && !d[1][k];++k); ^ user.cpp: In function ‘bool isValid()’: user.cpp:52:13: error: no match for ‘operator==’ (operand types are ‘std::__cxx11::basic_string<char>’ and ‘char’) if(j=='0') nr0++; ^ In file included from /usr/include/c++/5/iosfwd:40:0, from /usr/include/c++/5/ios:38, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/5/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/5/bits/postypes.h:216:5: note: template argument deduction/substitution failed: user.cpp:52:15: note: ‘std::__cxx11::basic_string<char>’ is not derived from ‘const std::fpos<_StateT>’ if(j=='0') nr0++; ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:64:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38, from /usr/include/c++/5/sstream:38, from /usr/include/c++/5/complex:45, from /usr/include/c++/5/ccomplex:38, from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/5/bits/stl_pair.h:214:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/5/bits/stl_pair.h:214:5: note: template argument deduction/substitution failed: user.cpp:52:15: note: ‘std::__cxx11::basic_string<char>’ is not derived from ‘const std::pair<_T1, _T2>’ if(j=='0') nr0++; ^ In file included from /usr/include/c++/5/bits/stl_algobase.h:67:0, from /usr/include/c++/5/bits/char_traits.h:39, from /usr/include/c++/5/ios:40, from /usr/include/c++/5/istream:38,