Compilare: main.cpp: In function 'void DFS(int, int)': main.cpp:22:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 22 | if(x!=tata) | ^ main.cpp: In function 'int main()': main.cpp:65:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 65 | if(nivel[i]==2) | ^ main.cpp:63:13: warning: unused variable 'nrc' [-Wunused-variable] 63 | int nrc=0; | ^~~ main.cpp:44:11: warning: unused variable 'j' [-Wunused-variable] 44 | int i,j,x,y; | ^