题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1314 题意: 给n个点,及m根pipe,每根pipe用来流躺液体的,单向的,每时每刻每根pipe流进来的物质要等于流出去的物质,要使得m条pipe组成一个循环体,里面流躺物质. 并且满足每根pipe一定的流量限制,范围为[Li,Ri].即要满足每时刻流进来的不能超过Ri(最大流问题),同时最小不能低于Li. 求的是最大流. 很久之前就看了带上下界的网络流,一直没看懂…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2314 The terrorist group leaded by a well known international terrorist Ben Bladen is buliding a nuclear reactor to produce plutonium for the nuclear bomb they are planning to create.…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2314 题目大意: 给n个点,及m根pipe,每根pipe用来流躺液体的,单向的,每时每刻每根pipe流进来的物质要等于流出去的物质,要使得m条pipe组成一个循环体,里面流躺物质. 并且满足每根pipe一定的流量限制,范围为[Li,Ri].即要满足每时刻流进来的不能超过Ri(最大流问题),同时最小不能低于Li. 解题思路: 转自:https://www.cnbl…

Reactor Coolinghttp://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1314 Time Limit: 5 Seconds      Memory Limit: 32768 KB      Special Judge The terrorist group leaded by a well known international terrorist Ben Bladen is buliding a nuclear re…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2314 题意: 给出每条边流量的上下界,问是否存在可行流,如果存在则输出. 思路:先定义D(u)为顶点u发出的所有弧的流量下界与进入顶点u的所有弧的流量下界和之差(out[u]-in[u]). 对于无源汇的网络流来说: (1)新增两个顶点S(附加源点)和T(附加汇点). (2)对原网络中每个顶点u,计算出D(u),如果D(u)>0,则增加一条新弧<u,T>,这条弧的…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1314 题意:    给n个点,及m根pipe,每根pipe用来流躺液体的,单向的,每时每刻每根pipe流进来的物质要等于流出去的物质,要使得m条pipe组成一个循环体,里面流躺物质. 并且满足每根pipe一定的流量限制,范围为[Li,Ri].即要满足每时刻流进来的不能超过Ri(最大流问题),同时最小不能低于Li. 模板:无源汇有上下界可行流 #include<stdio.h>…

Reactor Cooling The terrorist group leaded by a well known international terrorist Ben Bladen is buliding a nuclear reactor to produce plutonium for the nuclear bomb they are planning to create. Being the wicked computer genius of this group, you are…

Reactor Cooling Time Limit: 5000ms Memory Limit: 32768KB This problem will be judged on ZJU. Original ID: 231464-bit integer IO format: %lld      Java class name: Main Special Judge   The terrorist group leaded by a well known international terrorist…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1314 The terrorist group leaded by a well known international terrorist Ben Bladen is buliding a nuclear reactor to produce plutonium for the nuclear bomb they are planning to create. Be…

题目描述 The terrorist group leaded by a well known international terrorist Ben Bladen is buliding a nuclear reactor to produce plutonium for the nuclear bomb they are planning to create. Being the wicked computer genius of this group, you are responsibl…