Compilare: user.cpp: In function ‘int main()’: user.cpp:14:30: warning: format ‘%lu’ expects argument of type ‘long unsigned int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(in, "%lu %lu", &n, &k); ^ user.cpp:14:30: warning: format ‘%lu’ expects argument of type ‘long unsigned int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:14:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lu %lu", &n, &k); ^ user.cpp:17:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lu", &temp); ^