给你们一个建议：恰当使用register可以得到很好的卡常效果
by vegetabird @ 2017-08-04 14:28:29
这都是卡常？？欺负我没学过？？
by changetheattitude @ 2017-08-04 15:00:44
A B可以说不算
by vegetabird @ 2017-08-04 15:01:49
C D不卡常过不去（必须算法对）
by vegetabird @ 2017-08-04 15:02:23
第二题是di<=1e9, si,ti<=1e6吗
by kczno1 @ 2017-08-04 15:02:30
si,ti<=n
by kczno1 @ 2017-08-04 15:05:33
@[chaijunzhe1](/space/show?uid=49690) 不要做这种没意义的事，好吗？
by vegetabird @ 2017-08-04 15:08:36
@[kczno1](/space/show?uid=9168) 已在题目中标明
by vegetabird @ 2017-08-04 15:11:10
哇，有神犇过了D！
@[Drench](/space/show?uid=11171) orz
by vegetabird @ 2017-08-04 15:15:45
C题的第二个样例没毛病？？？
by jiajixiang @ 2017-08-04 15:27:45