Compilare: user.cpp: In function ‘int main()’: user.cpp:28:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<tdeque.size()&&tdeque[j]!=v[i];j++); ^ user.cpp:11:28: warning: unused variable ‘lg’ [-Wunused-variable] int i,j,n,v[nmax],x,ok,lg,t,r[300000]; ^ user.cpp:11:31: warning: unused variable ‘t’ [-Wunused-variable] int i,j,n,v[nmax],x,ok,lg,t,r[300000]; ^ user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:19:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^