Compilare: user.cpp: In function ‘void deletev(int)’: user.cpp:47:8: warning: variable ‘rez’ set but not used [-Wunused-but-set-variable] int rez; ^ user.cpp: In function ‘int main()’: user.cpp:56:13: warning: unused variable ‘n’ [-Wunused-variable] int t,q,n,x,i,j,tip,e,nre=0; ^ user.cpp:56:19: warning: unused variable ‘j’ [-Wunused-variable] int t,q,n,x,i,j,tip,e,nre=0; ^ user.cpp:56:21: warning: unused variable ‘tip’ [-Wunused-variable] int t,q,n,x,i,j,tip,e,nre=0; ^ user.cpp:56:25: warning: unused variable ‘e’ [-Wunused-variable] int t,q,n,x,i,j,tip,e,nre=0; ^ user.cpp:56:27: warning: unused variable ‘nre’ [-Wunused-variable] int t,q,n,x,i,j,tip,e,nre=0; ^ user.cpp: In function ‘int godown(int)’: user.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:54:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.in","r",stdin); ^ user.cpp:55:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("algsort.out","w",stdout); ^ user.cpp:60:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:63:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^