问一个问题P3952

P3952 [NOIP2017 提高组] 时间复杂度

@[handsome·zlk](/space/show?uid=67840) 什么叫“一个循环无法进入”?
by RiverFun @ 2018-11-04 16:44:50


@[Steve_braveman](/space/show?uid=96570) 就是x>y
by niolle @ 2018-11-04 16:45:23


@[Steve_braveman](/space/show?uid=96570) rep(i,x,y)中x>y
by niolle @ 2018-11-04 16:46:44


@[handsome·zlk](/space/show?uid=67840) 我觉得应该不用判
by RiverFun @ 2018-11-04 16:50:05


@[Steve_braveman](/space/show?uid=96570) 可我不判就72分诶 所以是数据的问题是吗
by niolle @ 2018-11-04 17:04:40


@[handsome·zlk](/space/show?uid=67840) 等一下,需要判断,~~(我刚刚脑抽了)~~,因为,就算这个循环无法进入,但这也是个循环,编译器也要将它们编译,所以需要判
by RiverFun @ 2018-11-04 17:10:08


@[Steve_braveman](/space/show?uid=96570) 哦这样啊 谢谢dalao
by niolle @ 2018-11-04 17:11:27


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