sczh @ 2019-11-29 17:26:47
加上快读就过了······
by pzc2004 @ 2019-11-29 17:28:11
谁叫你用cin……
by Provicy @ 2019-11-29 17:47:33
cin是个大毒瘤
by yummy @ 2019-11-29 17:57:14
scanf就行了吧......
by 7KByte @ 2019-11-29 18:14:08
@编程boy 您代码复杂度是错误的
by Mugen28 @ 2019-11-29 18:24:26
时间复杂度有错？
by yoy68 @ 2020-02-05 11:27:31
o2