Compilare: user.cpp: In function ‘int main()’: user.cpp:106:24: warning: unused variable ‘j’ [-Wunused-variable] unsigned long long j,aux; ^ user.cpp:106:26: warning: variable ‘aux’ set but not used [-Wunused-but-set-variable] unsigned long long j,aux; ^ user.cpp:104:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&T); ^ user.cpp:109:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%llu",&N); ^