[LeetCode] Bus Routes 公交线路

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[LeetCode] Bus Routes 公交线路

We have a list of bus routes. Each routes[i] is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels in the sequence 1->5->7->1->5->7->1->... forever…

[LeetCode] 815. Bus Routes 公交路线

We have a list of bus routes. Each routes[i] is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels in the sequence 1->5->7->1->5->7->1->... forever…

[Swift]LeetCode815. 公交路线 | Bus Routes

We have a list of bus routes. Each routes[i]is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels in the sequence 1->5->7->1->5->7->1->... forever.…

【leetcode】815. Bus Routes

题目如下: We have a list of bus routes. Each routes[i] is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels in the sequence 1->5->7->1->5->7->1->... f…

【BZOJ2004】[Hnoi2010]Bus 公交线路状压+矩阵乘法

[BZOJ2004][Hnoi2010]Bus 公交线路 Description 小Z所在的城市有N个公交车站,排列在一条长(N-1)km的直线上,从左到右依次编号为1到N,相邻公交车站间的距离均为1km. 作为公交车线路的规划者,小Z调查了市民的需求,决定按下述规则设计线路: 1.设共K辆公交车,则1到K号站作为始发站,N-K+1到N号台作为终点站. 2.每个车站必须被一辆且仅一辆公交车经过(始发站和终点站也算被经过). 3.公交车只能从编号较小的站台驶往编号较大的站台. 4.一辆公交车经…

【BZOJ2004】[HNOI2010]Bus 公交线路

[BZOJ2004][HNOI2010]Bus 公交线路题面 bzoj 洛谷题解 $N$特别大$P,K$特别小,一看就是矩阵快速幂+状压设$f[S]$表示公交车状态为$S$的方案数这是什么意思呢? 其实就是表示一个位置是否是公交车最后停靠的位置的状态剔除无效状态后大约只有$125$左右的状态直接存矩阵里快速幂转移就好了 #include<iostream> #include<cstdio> #include<cstdlib> #include<cstr…

[HNOI 2010]Bus 公交线路

Description 题库链接有 $N$ 个车站, $K$ 条公交线路.第 $1$ 到 $K$ 站是这 $K$ 线路的起点站.第 $N-K+1$ 到 $N$ 是终点站.车只会从编号小的车站驶向编号大的车站. 要求每个车站恰好只属于一个线路,而且同一个线路相临两站距离不得大于 $P$ .求有多少种安排方法.输出答案对 $30031$ 取余数. $1\leq N\leq 10^9,1<K\leq P\leq 10,K<N$ Solution 不妨抛开前…

LeetCode解题报告—— Bus Routes

We have a list of bus routes. Each routes[i] is a bus route that the i-th bus repeats forever. For example if routes[0] = [1, 5, 7], this means that the first bus (0-th indexed) travels in the sequence 1->5->7->1->5->7->1->... forever…

URAL 1137 Bus Routes（欧拉回路路径）

1137. Bus Routes Time limit: 1.0 secondMemory limit: 64 MB Several bus routes were in the city of Fishburg. None of the routes shared the same section of road, though common stops and intersections were possible. Fishburg old residents stated that it…

公交线路免费api接口代码

描写叙述:本接口主要是依据城市名称 + 线路名称模糊查找城市公交线路信息. 开源api接口:http://openapi.aibang.com/bus/lines?app_key=keyvalue&city="+cityName+"&q="+line 当中cityName = URLEncoder.encode(cityName,"utf-8") line = URLEncoder.encode(line,"utf-8&quo…