Compilare: user.cpp:32:19: warning: integer constant is so large that it is unsigned [enabled by default] while (number <= 18446744073709551614) ^ user.cpp: In function ‘void read()’: user.cpp:14:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld %lld", &n, &p); ^ user.cpp: In function ‘int main()’: user.cpp:52:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &t); ^