Compilare: user.cpp: In function ‘int main()’: user.cpp:26:19: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] long long j, putt; ^ 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:15:48: 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); ^ user.cpp:19:16: warning: ‘aux’ may be used uninitialized in this function [-Wmaybe-uninitialized] b = aux; ^