Compilare: main.cpp: In function 'int main()': main.cpp:10:9: warning: unused variable 'categrupe' [-Wunused-variable] 10 | int categrupe=1; | ^~~~~~~~~ main.cpp:19:21: warning: unused variable 'dif' [-Wunused-variable] 19 | int st=1, dr=n, dif=1, u=0, nr=1, pozx, initial; | ^~~ main.cpp:19:34: warning: unused variable 'nr' [-Wunused-variable] 19 | int st=1, dr=n, dif=1, u=0, nr=1, pozx, initial; | ^~