Compilare: user.cpp: In function ‘int main()’: user.cpp:15:32: warning: format ‘%llu’ expects argument of type ‘long long unsigned int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(in, "%llu %llu", &n, &k); ^ user.cpp:15:32: warning: format ‘%llu’ expects argument of type ‘long long unsigned int*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:15:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%llu %llu", &n, &k); ^ user.cpp:18:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%llu", &temp); ^