摘要：
DescriptionThe ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four... 阅读全文
摘要：
题意：write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 and 1。写一个程序找出一个是n的倍数且只包含0，1的m看了别人的代码，... 阅读全文