Compilare: user.cpp: In function ‘int main()’: user.cpp:7:12: warning: unused variable ‘t’ [-Wunused-variable] {int i,p,j,t,l,aux,n,k,nr; ^ user.cpp:7:14: warning: unused variable ‘l’ [-Wunused-variable] {int i,p,j,t,l,aux,n,k,nr; ^ user.cpp:7:16: warning: unused variable ‘aux’ [-Wunused-variable] {int i,p,j,t,l,aux,n,k,nr; ^ user.cpp:8:6: warning: unused variable ‘ok’ [-Wunused-variable] bool ok; ^ user.cpp:9:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&k); ^ user.cpp:10:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) fscanf(f,"%d",&v[i]); ^