Compilare: user.cpp: In function ‘int main()’: user.cpp:13:6: warning: unused variable ‘factorPrim’ [-Wunused-variable] int factorPrim , CmmFactorComun, i ,b, A , B , cmmdc; ^ user.cpp:13:19: warning: unused variable ‘CmmFactorComun’ [-Wunused-variable] int factorPrim , CmmFactorComun, i ,b, A , B , cmmdc; ^ user.cpp:16:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d" , &A , &B); ^ user.cpp:38:24: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i % x == 0 && b % x == 0){ ^ user.cpp:38:10: warning: ‘i’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(i % x == 0 && b % x == 0){ ^