@[lrhtom](/user/837535) 二分有好几种写法的
by ran_qwq @ 2023-07-25 14:54:37
@[ran_qwq](/user/743048)
但是为什么前者是错的后者这里是对的？？
by lrhtom @ 2023-07-25 14:56:34
@[lrhtom](/user/837535) 你赛时的代码？
by ran_qwq @ 2023-07-25 14:58:46
是的
by lrhtom @ 2023-07-25 14:59:06
l=mid+1和r=mid-1是之前错的
改成mid后ac
by lrhtom @ 2023-07-25 14:59:49
@[lrhtom](/user/837535) 如果要用前者，`while(l<r)`要改成`while(l<=r)`
by LittleAcbg @ 2023-07-25 15:04:56
@[LuoJingjia](/user/531709)
谢谢 谢谢！！
by lrhtom @ 2023-07-25 15:06:21
@[lrhtom](/user/837535) 来个互关吧
by LittleAcbg @ 2023-07-25 15:08:35
炸裂
by cai_J @ 2023-07-30 11:50:01