Compilare: user.cpp: In function ‘int main()’: user.cpp:8:17: warning: unused variable ‘aux’ [-Wunused-variable] int a,b,m,d,aux,dm,c=0; ^ user.cpp:6:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("maxd.in","r",stdin); ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("maxd.out","w",stdout); ^ user.cpp:9:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d",&a,&b); ^ user.cpp:32:10: warning: ‘dm’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (d==dm) ^ user.cpp:8:13: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] int a,b,m,d,aux,dm,c=0; ^