Eroare de compilare: main.cpp: In function 'int main()': main.cpp:33:7: error: 'class std::queue<std::pair<int, int> >' has no member named 'insert' Q.insert({startx,starty}); ^~~~~~ main.cpp:35:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < strlen(d); ++i) ~~^~~~~~~~~~~ main.cpp:42:9: error: 'Q2' was not declared in this scope Q2.clear(); ^~ main.cpp:43:23: error: no matching function for call to 'begin(std::queue<std::pair<int, int> >&)' for(auto it : Q) ^ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95:0, from main.cpp:1: /usr/include/c++/6/valarray:1206:5: note: candidate: template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&) begin(const valarray<_Tp>& __va) ^~~~~ /usr/include/c++/6/valarray:1206:5: note: template argument deduction/substitution failed: main.cpp:43:23: note: 'std::queue<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>' for(auto it : Q) ^ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:95:0, from main.cpp:1: /usr/include/c++/6/valarray:1196:5: note: candidate: template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&) begin(valarray<_Tp>& __va) ^~~~~ /usr/include/c++/6/valarray:1196:5: note: template argument deduction/substitution failed: main.cpp:43:23: note: 'std::queue<std::pair<int, int> >' is not derived from 'std::valarray<_Tp>' for(auto it : Q) ^ In file included from /usr/include/c++/6/string:51:0, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/sstream:38, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52, from main.cpp:1: /usr/include/c++/6/bits/range_access.h:87:5: note: candidate: template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm]) begin(_Tp (&__arr)[_Nm]) ^~~~~ /usr/include/c++/6/bits/range_access.h:87:5: note: template argument deduction/substitution failed: main.cpp:43:23: note: mismatched types '_Tp [_Nm]' and 'std::queue<std::pair<int, int> >' for(auto it : Q) ^ In file included from /usr/include/c++/6/string:51:0, from /usr/include/c++/6/bits/locale_classes.h:40, Non zero exit status: 1