Eroare de compilare: user.cpp:8:7: error: ‘vector’ does not name a type vector<unsigned int> heap, ^ user.cpp: In constructor ‘HeapSort::HeapSort()’: user.cpp:14:11: error: ‘size’ was not declared in this scope size = 0; ^ user.cpp: In member function ‘void HeapSort::insertHeap(int)’: user.cpp:23:12: error: ‘heap’ was not declared in this scope heap.push_back( elem ); ^ user.cpp:25:16: error: ‘size’ was not declared in this scope up( size ); ^ user.cpp: In member function ‘int HeapSort::removeHeap()’: user.cpp:30:21: error: ‘heap’ was not declared in this scope int ret = heap.pop_back(); ^ user.cpp:32:23: error: ‘size’ was not declared in this scope swap(1, size); ^ user.cpp: In member function ‘void HeapSort::down(int)’: user.cpp:44:27: error: ‘size’ was not declared in this scope while(2 * p <= size) { ^ user.cpp:48:42: error: ‘heap’ was not declared in this scope if(2 * p + 1 <= size && heap[2 * p + 1] < heap[ 2 * p ]) c++; ^ user.cpp:50:21: error: ‘heap’ was not declared in this scope if(heap[ p ] <= heap[ c ]) break; ^ user.cpp: In member function ‘void HeapSort::up(int)’: user.cpp:66:26: error: ‘heap’ was not declared in this scope if(heap[ p ] > heap[ c ]) { ^ user.cpp: In member function ‘void HeapSort::swap(int, int)’: user.cpp:80:20: error: ‘heap’ was not declared in this scope int x = heap[ a ] ^ heap[ b ]; ^ user.cpp: In function ‘void do_heapsort()’: user.cpp:107:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(FIN, "r", stdin); ^ user.cpp:109:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:111:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i = 1; i <= n; i++) scanf("%d", &elem), h.insertHeap( elem ); ^ user.cpp:115:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]