摘要： 题目来源：http://acm.hdu.edu.cn/showproblem.php?pid=1073Online JudgeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4684Accepted Submission(s): 1787Problem DescriptionIgnatius is building an Online Judge, now he has worked out all the problems except th 阅读全文