Compilare: user.cpp: In function ‘void read()’: user.cpp:25:28: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[100002]’ [-Wformat=] fscanf(in, "%s", &digit); ^ user.cpp:23:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%ld%d", &nr_of_digits, &K); ^ user.cpp:25:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", &digit); ^