Compilare: main.cpp: In function 'void DFS(int)': main.cpp:13:9: warning: unused variable 'i' [-Wunused-variable] 13 | int i, e, s, con=0; | ^ main.cpp:13:12: warning: unused variable 'e' [-Wunused-variable] 13 | int i, e, s, con=0; | ^ main.cpp:13:15: warning: unused variable 's' [-Wunused-variable] 13 | int i, e, s, con=0; | ^ main.cpp:13:18: warning: unused variable 'con' [-Wunused-variable] 13 | int i, e, s, con=0; | ^~~ main.cpp: In function 'int main()': main.cpp:25:12: warning: unused variable 'e' [-Wunused-variable] 25 | int i, e, s, cont=0, a, b, c; | ^ main.cpp:25:15: warning: unused variable 's' [-Wunused-variable] 25 | int i, e, s, cont=0, a, b, c; | ^ main.cpp:25:18: warning: unused variable 'cont' [-Wunused-variable] 25 | int i, e, s, cont=0, a, b, c; | ^~~~ main.cpp:25:32: warning: unused variable 'c' [-Wunused-variable] 25 | int i, e, s, cont=0, a, b, c; | ^