摘要： B. Yaroslav and Two Stringstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYaroslav thinks that two stringssandw, consisting of digits and having lengthnare non-comparable if there are two numbers,iandj(1 ≤ i, j ≤ n), such thatsi > wiandsj < 阅读全文