Compilare: user.cpp: In function ‘void read()’: user.cpp:17:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &L); ^ user.cpp:20:59: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] &T[i].a, &T[i].b, &T[i].k, &T[i].q, &T[i].v); ^