Compilare: user.cpp: In function ‘int main()’: user.cpp:9:13: warning: unused variable ‘t’ [-Wunused-variable] int n,i,t,aux; ^ user.cpp:9:15: warning: unused variable ‘aux’ [-Wunused-variable] int n,i,t,aux; ^ user.cpp:10:10: warning: unused variable ‘s’ [-Wunused-variable] bool s; ^ user.cpp:13:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d ",&n); ^ user.cpp:16:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d ",&v[i]); ^