Contest Clarifications

Problem 1001 question

creat2012 | 2014-10-18 21:02:03Author

why 2^31 - 1, 2^31 is right?

yougth | 2014-10-18 21:25:29# 1

RE:question

no zuo no die！！！

zsjing | 2014-10-18 21:25:29# 2

RE:question

害人之心不可有~