Compilare: user.cpp: In function ‘void afisare(int*, int, int, int (*)[1100])’: user.cpp:16:3: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i>0&&j>0&&a[i][j]!=0) ^ user.cpp: In function ‘int main()’: user.cpp:29:29: warning: unused variable ‘nr’ [-Wunused-variable] int n,m,v1[257],v2[257],nr=0,k=0,v[257]; ^ user.cpp:29:34: warning: unused variable ‘k’ [-Wunused-variable] int n,m,v1[257],v2[257],nr=0,k=0,v[257]; ^ user.cpp:29:38: warning: unused variable ‘v’ [-Wunused-variable] int n,m,v1[257],v2[257],nr=0,k=0,v[257]; ^