Compilare: main.cpp: In function 'int bfs()': main.cpp:79:1: warning: control reaches end of non-void function [-Wreturn-type] 79 | } | ^ main.cpp: In function 'int main()': main.cpp:102:26: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 102 | out << cnt[i] << " "; | ^~~ main.cpp:100:23: note: within this loop 100 | for (int i = 1; i <= 3; i++) | ~~^~~~