Compilare: user.cpp: In function ‘int main()’: user.cpp:17:26: warning: unused variable ‘mod’ [-Wunused-variable] int cat = n / k, mod = n % k; ^ user.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ user.cpp:16:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^