Compilare: user.cpp: In function ‘void pop_heap()’: user.cpp:6:26: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define minSon(x) ( ((x) << 1 + 1) <= size && Heap[((x) << 1) + 1].val < Heap[(x) << 1].val ? ((x) << 1 + 1) : ((x) << 1) ) ^ user.cpp:37:22: note: in expansion of macro ‘minSon’ int now = 1, next = minSon(1); ^ user.cpp:6:100: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define minSon(x) ( ((x) << 1 + 1) <= size && Heap[((x) << 1) + 1].val < Heap[(x) << 1].val ? ((x) << 1 + 1) : ((x) << 1) ) ^ user.cpp:37:22: note: in expansion of macro ‘minSon’ int now = 1, next = minSon(1); ^ user.cpp:6:26: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define minSon(x) ( ((x) << 1 + 1) <= size && Heap[((x) << 1) + 1].val < Heap[(x) << 1].val ? ((x) << 1 + 1) : ((x) << 1) ) ^ user.cpp:38:95: note: in expansion of macro ‘minSon’ for (; next <= size && curr.val > Heap[next].val; Heap[now] = Heap[next], now = next, next = minSon(now)); ^ user.cpp:6:100: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define minSon(x) ( ((x) << 1 + 1) <= size && Heap[((x) << 1) + 1].val < Heap[(x) << 1].val ? ((x) << 1 + 1) : ((x) << 1) ) ^ user.cpp:38:95: note: in expansion of macro ‘minSon’ for (; next <= size && curr.val > Heap[next].val; Heap[now] = Heap[next], now = next, next = minSon(now)); ^ user.cpp: In function ‘int main()’: user.cpp:59:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secvmax.out", "w", stdout); ^ user.cpp:61:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ user.cpp:66:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] next[i] = prev[i] = i; ^ user.cpp:70:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] push_heap(x, i); ^ user.cpp:78:44: warning: ‘max’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (now.val == last) { ans[now.pos] = max; continue; } ^