Compilare: user.cpp: In function ‘int main()’: user.cpp:14:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, cate = 0, ok = 0, maxi, a, p = 1, cont = 0, zz, za = 1; ^ user.cpp:14:52: warning: unused variable ‘cont’ [-Wunused-variable] int n, i, j, cate = 0, ok = 0, maxi, a, p = 1, cont = 0, zz, za = 1; ^