Eroare de compilare: main.cpp: In function 'void euler(int)': main.cpp:20:14: error: cannot decompose non-array non-class type 'int' 20 | auto [nod2,ind]=v[nod].back(); | ^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:36:23: error: no matching function for call to 'std::vector<int>::push_back(<brace-enclosed initializer list>)' 36 | v[x].push_back({y,i}); | ~~~~~~~~~~~~~~^~~~~~~ In file included from /usr/include/c++/12.2.1/vector:64, from main.cpp:2: /usr/include/c++/12.2.1/bits/stl_vector.h:1276:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; value_type = int]' 1276 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1276:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::vector<int>::value_type&' {aka 'const int&'} 1276 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1293:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; value_type = int]' 1293 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1293:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<int>::value_type&&' {aka 'int&&'} 1293 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ main.cpp:37:23: error: no matching function for call to 'std::vector<int>::push_back(<brace-enclosed initializer list>)' 37 | v[y].push_back({x,i}); | ~~~~~~~~~~~~~~^~~~~~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1276:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; value_type = int]' 1276 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1276:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::vector<int>::value_type&' {aka 'const int&'} 1276 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1293:7: note: candidate: 'constexpr void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; value_type = int]' 1293 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_vector.h:1293:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<int>::value_type&&' {aka 'int&&'} 1293 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ Non zero exit status: 1