""" 模拟面试编程题 """ def second_max(items: list, gt=lambda x, y: x > y): """从列表中找出第二大元素""" assert len(items) >= 2 max1, max2 = (items[0], items[1]) \ if gt(items[0], items[1]) else (items[1], items[0]) for i in range(2, len(items)): if gt(max1, items[i]) and gt(items[i], max2): max2 = items[i] elif gt(items[i], max1): max1, max2 = items[i], max1 return max2 def list_depth(items: list) -> int: """计算嵌套列表的嵌套深度""" if isinstance(items, list): max_depth = 1 for item in items: max_depth = max(list_depth(item) + 1, max_depth) return max_depth return 0 def main(): """主函数""" one_set = {1} pos, off = 1, 1 while pos <= 100000000: pos += off one_set.add(pos) off += 1 num, *poses = map(int, input().split()) for pos in poses: print(1 if pos in one_set else 0, end=' ') # items1 = [38, 95, 27, 95, 88, 73, 61, 50] # print(second_max(items1)) # items2 = [[1], [[[2]]],[[3]], 4, [[[[[5, [6]]]]]]] # print(list_depth(items1)) # print(list_depth(items2)) if __name__ == '__main__': main()