Compilare: user.c: In function ‘main’: user.c:78:28: warning: unused variable ‘k’ [-Wunused-variable] int vec[100],nrCamere,i,j,k,s; ^ user.c:78:26: warning: unused variable ‘j’ [-Wunused-variable] int vec[100],nrCamere,i,j,k,s; ^ user.c: In function ‘afla_s’: user.c:27:1: warning: control reaches end of non-void function [-Wreturn-type] } ^