Compilare: In file included from /usr/include/c++/12.2.1/vector:65, from main.cpp:3: In member function 'constexpr std::vector<bool, _Alloc>::reference std::vector<bool, _Alloc>::operator[](size_type) [with _Alloc = std::allocator<bool>]', inlined from 'std::pair<std::vector<int>, double> hungarian(std::vector<std::vector<double> >&)' at main.cpp:38:20: /usr/include/c++/12.2.1/bits/stl_bvector.h:1036:23: warning: 'j1' may be used uninitialized [-Wmaybe-uninitialized] 1036 | { return begin()[__n]; } | ~~~~~~~^ main.cpp: In function 'std::pair<std::vector<int>, double> hungarian(std::vector<std::vector<double> >&)': main.cpp:39:30: note: 'j1' was declared here 39 | int i0 = py[j0], j1; | ^~