摘要：
1119. MetroTime limit: 0.5 second Memory limit: 64 MBMany of SKB Kontur programmers like to get to work by Metro because the main office is situated quite close the station Uralmash. So, since a sedentary life requires active exercises off-duty, many of the staff — Nikifor among them — walk from the 阅读全文
摘要：
1013. K-based Numbers. Version 3Let’s consider K-based numbers, containing exactly N digits. We define a number to be valid if its K-based notation doesn’t contain two successive zeros. For example:1010230 is a valid 7-digit number;1000198 is not a valid number;0001235 is not a 7-digit number, it is 阅读全文