Compilare: user.cpp: In function ‘int main()’: user.cpp:64:36: 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:65:38: 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:68:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:70:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &op); ^ user.cpp:73:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &value); ^ user.cpp:77:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &position); ^ user.cpp:19:19: warning: ‘myHeap.heap::count’ may be used uninitialized in this function [-Wmaybe-uninitialized] values[++count] = value; ^ user.cpp:67:8: note: ‘myHeap.heap::count’ was declared here heap myHeap; ^ user.cpp:36:28: warning: ‘myHeap.heap::length’ may be used uninitialized in this function [-Wmaybe-uninitialized] _position[_heap[b]] = b; ^ user.cpp:67:8: note: ‘myHeap.heap::length’ was declared here heap myHeap; ^