Eroare de compilare: user.cpp: In member function ‘void HEAP::pop(int)’: user.cpp:31:36: error: ‘swap’ was not declared in this scope swap(Heap[heap_len], Heap[cord]); ^ user.cpp: In member function ‘void HEAP::up(int)’: user.cpp:41:34: error: ‘swap’ was not declared in this scope swap(Heap[x], Heap[x / 2]); ^ user.cpp: In member function ‘void HEAP::down(int)’: user.cpp:57:37: error: ‘swap’ was not declared in this scope swap(Heap[x], Heap[next]); ^ user.cpp: In function ‘int main()’: user.cpp:69:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.in", "r", stdin); ^ user.cpp:70:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.out", "w", stdout); ^ user.cpp:72:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:74:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &q); ^ user.cpp:76:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &e); ^ user.cpp:80:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &e); ^