Compilare: user.cpp: In function ‘void createfact(int, int)’: user.cpp:16:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < fact[ind + 1].size (); ++i) ^ user.cpp: In function ‘void inmult(int, int)’: user.cpp:33:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < fact[ind].size (); ++i) ^ user.cpp: In function ‘void adun(int)’: user.cpp:55:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < rez.size (); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:70:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("perm3.in", "r", stdin); ^ user.cpp:71:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("perm3.out", "w", stdout); ^ user.cpp:74:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^ user.cpp:79:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &x); ^ user.cpp:85:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &v[i]); ^