Compilare: user.cpp: In function ‘void solve()’: user.cpp:171:9: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] huge d = divis(din[i-j], fact[i-j]); ^ user.cpp: In function ‘int main()’: user.cpp:186:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sistem.in", "r", stdin); ^ user.cpp:187:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sistem.out", "w", stdout); ^ user.cpp:189:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^