Compilare: main.cpp: In function 'int DFS(int)': main.cpp:15:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int DFS2(int)': main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:26:19: warning: unused variable 'mini' [-Wunused-variable] int n,m,i,x,y,mini,j,ok; ^~~~ main.cpp:26:24: warning: unused variable 'j' [-Wunused-variable] int n,m,i,x,y,mini,j,ok; ^ main.cpp:26:26: warning: unused variable 'ok' [-Wunused-variable] int n,m,i,x,y,mini,j,ok; ^~