ACM__dongsheng的博客

Problem Description 杭州人称那些傻乎乎粘嗒嗒的人为62（音：laoer）。 杭州交通管理局经常会扩充一些的士车牌照，新近出来一个好消息，以后上牌照，不再含有不吉利的数字了，这样一来，就可以消除个别的士司机和乘客的心理障碍，更安全地服务大众。 不吉利的数字为所有含有4或62的号码。例如： 62315 73418 88914 都属于不吉利号码。但是，61152虽然含有6和2

Problem Description The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb counts from 1 to N. If the current

DESCRIPTIONGiven three integers a, b, P, count the total number of digit P appearing in all integers from a to b.INPUT The first line is a single integer T , indicating the number of test cases. For