Eroare de compilare: main.cpp: In function 'int eval(std::string&, int&, int)': main.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | if (priority == ops.size()) { | ~~~~~~~~~^~~~~~~~~~~~~ main.cpp:34:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | while (idx < expr.size() && isdigit(expr[idx])) { | ~~~~^~~~~~~~~~~~~ main.cpp:45:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | while (idx < expr.size() && find(ops[priority].begin(), ops[priority].end(), expr[idx]) != ops[priority].end()) { | ~~~~^~~~~~~~~~~~~ main.cpp:45:37: error: no matching function for call to 'find(std::vector<char>::iterator, std::vector<char>::iterator, __gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type&)' 45 | while (idx < expr.size() && find(ops[priority].begin(), ops[priority].end(), expr[idx]) != ops[priority].end()) { | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/12.2.1/bits/locale_facets.h:48, from /usr/include/c++/12.2.1/bits/basic_ios.h:37, from /usr/include/c++/12.2.1/ios:44, from /usr/include/c++/12.2.1/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:3: /usr/include/c++/12.2.1/bits/streambuf_iterator.h:434:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)' 434 | find(istreambuf_iterator<_CharT> __first, | ^~~~ /usr/include/c++/12.2.1/bits/streambuf_iterator.h:434:5: note: template argument deduction/substitution failed: main.cpp:45:37: note: '__gnu_cxx::__normal_iterator<char*, std::vector<char> >' is not derived from 'std::istreambuf_iterator<_CharT>' 45 | while (idx < expr.size() && find(ops[priority].begin(), ops[priority].end(), expr[idx]) != ops[priority].end()) { | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int applyOp(int, int, char)': main.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] 27 | } | ^ Non zero exit status: 1