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）。
Раскрыты подробности о договорных матчах в российском футболе18:01，更多细节参见WPS下载最新地址
Tkachuk also denied being the voice heard shouting “close the northern border” during Team USA’s celebratory phone call with U.S. President Donald Trump after Sunday’s 2-1 overtime win over Canada to win the gold medal at the Winter Olympics.，详情可参考快连下载-Letsvpn下载
Шанхайские Драконы