Compilare: main.cpp: In function 'int main()': main.cpp:122:9: warning: unused variable 'x' [-Wunused-variable] 122 | int x,y,c; | ^ main.cpp:122:11: warning: unused variable 'y' [-Wunused-variable] 122 | int x,y,c; | ^ main.cpp:122:13: warning: unused variable 'c' [-Wunused-variable] 122 | int x,y,c; | ^ main.cpp: In function 'muchie BFS(int, int)': main.cpp:111:1: warning: control reaches end of non-void function [-Wreturn-type] 111 | } | ^