Compilare: user.cpp: In function ‘int main()’: user.cpp:22:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < v.size(); j++) ^ user.cpp:35:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i != v.size() - 1 && aux > v[i]) ^ user.cpp:11:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tamplar.in", "r", stdin); ^ user.cpp:12:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tamplar.out", "w", stdout); ^ user.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^