Input The first and only line contains the string s (1 ≤ |s| ≤ 100 000) — the instructions Memory is given. Output If there is a string satisfying the conditions, output a single integer — the minimu
2002年12月11日 回归原点 - Back to Basics The Joel on Software Translation Project:回归原点 From The Joel on Software Translation Project Jump to: navigation, search 回归原点 作者:周思博 (Joel Spolsky) 译:Paul