Compilare: user.cpp: In function ‘int main()’: user.cpp:12:21: warning: unused variable ‘poz’ [-Wunused-variable] int n,k,i,p,u,a,poz,len,m=-1000000,deltapoz,pozfin; ^ user.cpp:12:25: warning: unused variable ‘len’ [-Wunused-variable] int n,k,i,p,u,a,poz,len,m=-1000000,deltapoz,pozfin; ^ user.cpp:12:29: warning: unused variable ‘m’ [-Wunused-variable] int n,k,i,p,u,a,poz,len,m=-1000000,deltapoz,pozfin; ^ user.cpp:12:40: warning: unused variable ‘deltapoz’ [-Wunused-variable] int n,k,i,p,u,a,poz,len,m=-1000000,deltapoz,pozfin; ^ user.cpp:12:49: warning: unused variable ‘pozfin’ [-Wunused-variable] int n,k,i,p,u,a,poz,len,m=-1000000,deltapoz,pozfin; ^ user.cpp:10:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("deque.in","r",stdin); ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("deque.out","w",stdout); ^ user.cpp:13:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",v+i); ^