Eroare de compilare: user.cpp: In function ‘void up_heap(int)’: user.cpp:11:35: error: ‘swap’ was not declared in this scope swap(heap[nod],heap[nod/2]); ^ user.cpp: In function ‘void down_heap(int)’: user.cpp:22:39: error: ‘swap’ was not declared in this scope swap(heap[nod],heap[nod*2]); ^ user.cpp:28:41: error: ‘swap’ was not declared in this scope swap(heap[nod],heap[nod*2+1]); ^ user.cpp: In function ‘int main()’: user.cpp:42:21: error: ‘t’ was not declared in this scope scanf("%d",&t); ^ user.cpp:38:15: warning: unused variable ‘tip’ [-Wunused-variable] int n,j=0,tip,x; ^ user.cpp:36:36: 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:37:38: 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:39:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^