Compilare: main.cpp: In function 'int print_MST(int*, int)': main.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type] 38 | } | ^ main.cpp: In function 'int min_Key(int*, bool*, int)': main.cpp:23:12: warning: 'min_index' may be used uninitialized [-Wmaybe-uninitialized] 23 | return min_index; | ^~~~~~~~~ main.cpp:12:24: note: 'min_index' was declared here 12 | int min = INT_MAX, min_index; | ^~~~~~~~~ main.cpp: In function 'void find_MST(int)': main.cpp:67:27: warning: 'min_index' may be used uninitialized [-Wmaybe-uninitialized] 67 | parent[v] = u; | ~~~~~~~~~~^~~ main.cpp:12:24: note: 'min_index' was declared here 12 | int min = INT_MAX, min_index; | ^~~~~~~~~