Compilare: user.cpp: In function ‘int lee(int, int)’: user.cpp:33:9: warning: variable ‘mat’ set but not used [-Wunused-but-set-variable] int mat[Nmax][Nmax]; ^ user.cpp:34:11: warning: variable ‘que’ set but not used [-Wunused-but-set-variable] coada que[Nmax*Nmax]; ^ user.cpp:35:15: warning: variable ‘u’ set but not used [-Wunused-but-set-variable] int i,j,p,u,l1,c1; ^ user.cpp:35:17: warning: unused variable ‘l1’ [-Wunused-variable] int i,j,p,u,l1,c1; ^ user.cpp:35:20: warning: unused variable ‘c1’ [-Wunused-variable] int i,j,p,u,l1,c1; ^