Compilare: main.cpp: In function 'int bfs()': main.cpp:64:17: warning: unused variable 'nx' [-Wunused-variable] 64 | int nx = curr.x + dx[i]; | ^~ main.cpp:65:17: warning: unused variable 'ny' [-Wunused-variable] 65 | int ny = curr.y + dy[i]; | ^~ main.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type] 70 | } | ^