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）。
He believes that the finds could help people understand wider landscape change now and in the past.
，详情可参考51吃瓜
Мерц резко сменил риторику во время встречи в Китае09:25
В Финляндии предупредили об опасном шаге ЕС против России09:28
Bit [1]: Jump or continue. When set, the microcode sequencer jumps to the redirect address in bits [13:2]; when clear, the check passed and execution continues normally.