Compilare: main.cpp: In function 'int main()': main.cpp:895:88: warning: 'entry_y' may be used uninitialized [-Wmaybe-uninitialized] 895 | const auto &cycle = tunnels.eulerian_path(coords_to_node_id[entry_x][entry_y], true); | ^ main.cpp:867:19: note: 'entry_y' was declared here 867 | uint entry_x, entry_y, entry_dist = UINT64_MAX; | ^~~~~~~ main.cpp:884:26: warning: 'entry_x' may be used uninitialized [-Wmaybe-uninitialized] 884 | out << entry_x + 1 << ' ' << entry_y + 1 << ' ' << entry_dist << '\n'; | ^ main.cpp:867:10: note: 'entry_x' was declared here 867 | uint entry_x, entry_y, entry_dist = UINT64_MAX; | ^~~~~~~