Compilare: user.cpp: In function ‘int main()’: user.cpp:22:17: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] long long j, putt; ^ user.cpp:13:15: warning: unused variable ‘aux’ [-Wunused-variable] long long aux; ^ user.cpp:11:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lld", &t); ^ user.cpp:15:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lld%lld%lld", &a, &b, &p); ^