WebOct 21, 2024 · 题解:BZOJ5254 : [Fjwc2024]红绿灯. /* 直接贴题解,代码附注释 显然所有询问都要经过至少∑d,只需要考虑除了∑d之外的等待红灯的时间。. 将所有询问的时间模g+r,并按时间用set维护。. 那么对于每个红灯,在set中可以找出1到2个区间,将里面所有的询问暴力取出 ... WebView 28 photos for 2654 Breezy Point Ln, O'Fallon, MO 63368, a 3 bed, 3 bath, 2,500 Sq. Ft. single family home built in 1997 that was last sold on 05/13/2024.
BZOJ5254 : [Fjwc2024]红绿灯 - 编程猎人
Webbzoj5254红绿灯 泰迪每天都要通过一条路从家到学校,这条路的起点是泰迪家,终点则是学校。 这条路中间还有n个路口,从第i-1个路口走到第i个路口需要di秒,每个路口都有一 … WebOct 28, 2024 · bzoj5254 fjwc2024红绿灯(线段树) 注意到一旦在某个路口被红灯逼停,剩下要走的时间是固定的.容易想到预处理出在每个路口被逼停后到达终点的最短时间,这样对于每个询问求出其最早在哪个路口停下就可以了.对于预处理,从下一个要停的路口倒推即可. ... johnston oncology
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