Credit: Pokémon Store
描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。
，更多细节参见51吃瓜
But shares in the streaming company had fallen since it made its offer, an indication that investors were sceptical of the plan.
A man was then told he had been randomly selected "to be manhandled" before being told to remove his clothes down to "everything but the shoes", while the female officer put on a pair of gloves.