Compilare: user.cpp: In function ‘int main()’: user.cpp:49:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,m,p,q,a,nod,b,mi=1000000; ^ user.cpp:49:15: warning: unused variable ‘p’ [-Wunused-variable] int i,j,m,p,q,a,nod,b,mi=1000000; ^ user.cpp:49:17: warning: unused variable ‘q’ [-Wunused-variable] int i,j,m,p,q,a,nod,b,mi=1000000; ^ user.cpp:46:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen("eliminare.in","r",stdin); ^ user.cpp:47:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eliminare.out","w",stdout); ^ user.cpp:50:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:53:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a); ^ user.cpp:64:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^