Compilare: user.cpp: In function ‘int main()’: user.cpp:24:30: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘int*’ [-Wformat=] fs(f, "%lld", &v[i].v); ^ user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%lld%lld", &n, &k); ^ user.cpp:24:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%lld", &v[i].v); ^ user.cpp:29:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%lld", &m); ^ user.cpp:33:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fs(f, "%lld%lld", &x, &y); ^