Compilare: user.cpp: In function ‘long long int Numar(long long int)’: user.cpp:71:9: warning: unused variable ‘i’ [-Wunused-variable] int i, j = 2, i2; ^ user.cpp:71:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j = 2, i2; ^ user.cpp:71:19: warning: unused variable ‘i2’ [-Wunused-variable] int i, j = 2, i2; ^ user.cpp: In function ‘bool OK(long long int, long long int)’: user.cpp:93:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, ind = N; ^ user.cpp: In function ‘long long int Numar(long long int)’: user.cpp:88:12: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] return nr; ^