近日好不容易在自救之路写完暑训遗留下来的网络流8题,在此回顾一下。 Going Home POJ - 2195 题意:m要去H,一个H只能容纳一个m,一步一块钱,问最小花费。 思路:最小费用最大流的板子题。有博客用了Dijkstra,不过在我看来,存在负权边的图是不能使用Dijkstra的,所以虽然 ...
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其他好文 时间:
2018-12-28 00:09:02
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143
NUMBER BASE CONVERSION Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5976 Accepted: 2738 Description Write a program to convert numbers i ...
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2018-12-27 20:19:08
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137
手动博客搬家:本文发表于20170819 22:11:49, 原地址 https://blog.csdn.net/suncongbo/article/details/77417650 URL: http://poj.org/problem?id=2352 题目大意:给定n个点(n include u ...
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其他好文 时间:
2018-12-26 23:04:40
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300
描述: Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a ...
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其他好文 时间:
2018-12-26 11:40:15
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179
On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to ...
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其他好文 时间:
2018-12-26 00:30:52
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134
http://poj.org/problem?id=2893 来自逆序对的强大力量 ...
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其他好文 时间:
2018-12-25 18:06:24
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159
In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping two adjacen ...
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其他好文 时间:
2018-12-23 22:07:46
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146
For this problem, you will write a program that reads in a sequence of 32-bit signed integers. After each odd-indexed value is read, output the median ...
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其他好文 时间:
2018-12-23 20:02:08
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168
裸的hash。 #include<iostream> #include<cstring> #include<algorithm> using namespace std; const int MOD=9999991,N=100005; struct edge{ int sum[7],next; }e ...
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其他好文 时间:
2018-12-22 22:40:46
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263
Intervals 题目链接:http://poj.org/problem?id=3680 Description: You are given N weighted open intervals. The ith interval covers (ai, bi) and weighs wi. Yo ...
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其他好文 时间:
2018-12-22 22:09:35
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249