Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:22:27: error: ‘greater’ was not declared in this scope sort(a.begin(), a.end(), greater<int>()); ^~~~~~~ user.cpp:22:35: error: expected primary-expression before ‘int’ sort(a.begin(), a.end(), greater<int>()); ^~~ user.cpp:12:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("galagie.in", "r", stdin); ^ user.cpp:13:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("galagie.out", "w", stdout); ^ user.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:18:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^