UVALive 5099

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B - Nubulsa Expo Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVALive 5099 Description You may not hear about Nubulsa, an island country on the Pacific Ocean. Nubulsa is an undeveloped country and it…

UVALive 5099 Nubulsa Expo 全局最小割问题

B - Nubulsa Expo Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVALive 5099 Description You may not hear about Nubulsa, an island country on the Pacific Ocean. Nubulsa is an undeveloped country and it i…

UVALive 5099 Nubulsa Expo 全球最小割非网络流量 n^3

主题链接:点击打开链接意甲冠军: 给定n个点m条无向边源点S 以下m行给出无向边以及边的容量. 问: 找一个汇点,使得图的最大流最小. 输出最小的流量. 思路: 最大流=最小割. 所以题意就是找全局最小割. 和源点无关.由于不关心源点在哪个点集里. 模版题: O(n^3) #include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using namespace s…

UVALive 5099 Nubulsa Expo（全局最小割）

题面 vjudge传送门题解论文题见2016绍兴一中王文涛国家队候选队员论文<浅谈无向图最小割问题的一些算法及应用>4节全局最小割板题 CODE 暴力O(n3)O(n^3)O(n3) 用堆优化可以做到O(nmlog)O(nmlog)O(nmlog) 这里只写了暴力 #include <bits/stdc++.h> using namespace std; template<class T>inline void read(T &x) { char ch…

UVALive - 4108 SKYLINE[线段树]

UVALive - 4108 SKYLINE Time Limit: 3000MS 64bit IO Format: %lld & %llu Submit Status uDebug Description The skyline of Singapore as viewed from the Marina Promenade (shown on the left) is one of the iconic scenes of Singapore. Country X would a…

UVALive - 3942 Remember the Word[树状数组]

UVALive - 3942 Remember the Word A potentiometer, or potmeter for short, is an electronic device with a variable electric resistance. It has two terminals and some kind of control mechanism (often a dial, a wheel or a slide) with which the resistance…

UVALive - 3942 Remember the Word[Trie DP]

UVALive - 3942 Remember the Word Neal is very curious about combinatorial problems, and now here comes a problem about words. Know- ing that Ray has a photographic memory and this may not trouble him, Neal gives it to Jiejie. Since Jiejie can’t remem…