Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 270    Accepted Submission(s): 47 Problem Description A boy named List who is perfect in English. Now he wants to travel and he is making a pla…

裸的树链剖分加线段树区间修改 区间合并时需要多注意一点 当时写的很慢 理解不深刻 #include<bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const int MAXN = 40005; #define lson l,m,rt<<1 #define rson m+1,r,rt<<1|1 int N,M; struct Pode{ int to,next; }edge[MAXN * 2…

Travel The country frog lives in has nn towns which are conveniently numbered by 1,2,…,n. Among n(n−1) / 2 pairs of towns, m of them are connected by bidirectional highway, which needs aa minutes to travel. The other pairs are connected by railway, w…

1576: [Usaco2009 Jan]安全路经Travel Time Limit: 10 Sec  Memory Limit: 64 MBSubmit: 1044  Solved: 363[Submit][Status][Discuss] Description Input * 第一行: 两个空格分开的数, N和M * 第2..M+1行: 三个空格分开的数a_i, b_i,和t_i Output * 第1..N-1行: 第i行包含一个数:从牛棚_1到牛棚_i+1并且避免从牛棚1到牛棚i+1最…

目录 . Linux inode简介 . Fast Directory Travel Method 1. Linux inode简介 0x1: 磁盘分割原理 字节 -> 扇区(sector)(每个扇区存储512字节) -> 块(block)(最常见的是4KB,即8个连续的sector组成一个block) . 磁盘的最小存储单位是"扇区" . 文件存储的最小单位是"块" 0x2: Linux EX2 filesystem 当一个partition(分区)被…

Problem Description Jack likes to travel around the world, but he doesn’t like to wait. Now, he is traveling in the Undirected Kingdom. There are n cities and m bidirectional roads connecting the cities. Jack hates waiting too long on the bus, but he…

I. Travel Time Limit: 3000ms Memory Limit: 65536KB The country frog lives in has n towns which are conveniently numbered by 1,2,-,n. Among n(n−1)/2 pairs of towns, m of them are connected by bidirectional highway, which needs a minutes to travel. The…

1286. Starship Travel Time limit: 1.0 secondMemory limit: 64 MB It is well known that a starship equipped with class B hyperengine is able to travel from any planet to any other planet. But your starship got severe damage in the last travel and now i…

DescriptionAfter SzuHope take part in the 36th ACMICPC Asia Chendu Reginal Contest. Then go to QingChengShan for fun. QCS has many spot as the picture following, each spot has its unique value for SzuHope, they will get the value just once if and onl…

Time Limit: 1500/1000 MS (Java/Others)  Memory Limit: 131072/131072 K (Java/Others) Problem Description Jack likes to travel around the world, but he doesn’t like to wait. Now, he is traveling in the Undirected Kingdom. There are n cities and m bidir…