// 题目描述:从武汉大学ACM集训队退役后,flymouse 做起了志愿者,帮助集训队做一些琐碎的事情,比如打扫集训用的机房等等.当圣诞节来临时,flymouse打扮成圣诞老人给集训队员发放礼物.集训队员住在校园通过宿舍的不同寝室里.为了节省体力,flymouse决定从某个寝室出发,沿着一些有向路一个接一个地访问寝室并顺便发放礼物,直到所有集训队员的起始走遍为止.以前flymouse在集训队的日子里,他给其他队员留下了不同的印象.他们中的一些人,比如LiZhiXu,对flymouse的印象特别…

和上一道题一样,可以用DAG上的动态规划来做,也可以建立一个源点,用spfa来做 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> #include<stack> #include<vector> using namespace std; ; int n,m; int first[maxn]; int sc[maxn],scn[maxn]…

Father Christmas flymouse Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 3007   Accepted: 1021 Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer…

Father Christmas flymouse Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 3241   Accepted: 1099 Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer…

Father Christmas flymouse Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 3479   Accepted: 1185 Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer…

来源poj3160 After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer lab for training as extension of his contribution to the team. When Christmas came, flymouse played Father Chri…

Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 3496   Accepted: 1191 缩点,然后每个新点跑一边SPFA 思路不难 ,注意细节~ #include <algorithm> #include <cstring> #include <cstdio> #include <queue> using namespace std; +); +); int n,m,u,v,va…

Father Christmas flymouse Time Limit: 1000MS Memory Limit: 131072K Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer lab for training as extension of his contr…

Father Christmas flymouse Time Limit: 1000MS Memory Limit: 131072K Description After retirement as contestant from WHU ACM Team, flymouse volunteered to do the odds and ends such as cleaning out the computer lab for training as extension of his contr…

poj:4091:The Closest M Points 题目 描写叙述 每到饭点,就又到了一日几度的小L纠结去哪吃饭的时候了.由于有太多太多好吃的地方能够去吃,而小L又比較懒不想走太远,所以小L会先找到距离他近期的M家餐馆然后再做筛选. 小L如今所在的位置和每家餐馆的位置用同一笛卡尔坐标系中的点表示,而点与点之间的距离为欧几里得距离,对于点p = (p1, p2,..., pn)和点q = (q1,q2,..., qn),两者的距离定义例如以下 现给出在K维空间中小L所处的位置的坐标以及n个…