Compilare: user.cpp: In function ‘int main()’: user.cpp:18:20: warning: unused variable ‘t’ [-Wunused-variable] ll n, i, j, s, t, d, k, p; ^ user.cpp:18:23: warning: unused variable ‘d’ [-Wunused-variable] ll n, i, j, s, t, d, k, p; ^ user.cpp:15:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifre5.in","r",stdin); ^ user.cpp:16:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifre5.out","w",stdout); ^ user.cpp:21:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu%llu",&p,&k); ^