Compilare: main.cpp: In function 'int DFS(int, int)': main.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type] 33 | } | ^ main.cpp: In function 'int main()': main.cpp:36:21: warning: unused variable 'st' [-Wunused-variable] 36 | { int n, k, a, b, st, dr, mij, sol; | ^~ main.cpp:36:25: warning: unused variable 'dr' [-Wunused-variable] 36 | { int n, k, a, b, st, dr, mij, sol; | ^~ main.cpp:36:29: warning: unused variable 'mij' [-Wunused-variable] 36 | { int n, k, a, b, st, dr, mij, sol; | ^~~ main.cpp:36:34: warning: unused variable 'sol' [-Wunused-variable] 36 | { int n, k, a, b, st, dr, mij, sol; | ^~~ main.cpp: In function 'int DFS(int, int)': main.cpp:11:5: warning: infinite recursion detected [-Winfinite-recursion] 11 | int DFS(int a, int d) | ^~~ main.cpp:18:6: note: recursive call 18 | {DFS(*I, d); | ~~~^~~~~~~