PE缩写的意思 - 格式错误
【英文缩写】PE
【英文全称】Presentation Error
【中文解释】格式错误
【缩写简介】国际大学生程序设计竞赛(ACM/ICPC)中的常见错误
Your output format is not exactly the same as the judge's output, although your answer to the problem is correct. Check your output for spaces, blank lines,etc against the problem output specification.