Compilare: user.cpp: In function ‘int main()’: user.cpp:15:9: warning: unused variable ‘i’ [-Wunused-variable] int i, pos = 0, r, aux, sum, term; ^ user.cpp:17:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:19:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^