Farm Tour Time Limit: 1000ms Memory Limit: 65536KB This problem will be judged on PKU. Original ID: 2135 64-bit integer IO format: %lld Java class name: Main When FJ's friends visit him on the farm, he likes to show them around. His farm compr…
Going Home Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15944 Accepted: 8167 Description 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 vertical…
POJ 2135 Farm Tour (网络流,最小费用最大流) Description When FJ's friends visit him on the farm, he likes to show them around. His farm comprises N (1 <= N <= 1000) fields numbered 1..N, the first of which contains his house and the Nth of which contains the b…
图论算法-最小费用最大流模板[EK;Dinic] EK模板 const int inf=1000000000; int n,m,s,t; struct node{int v,w,c;}; vector<node> map[10010]; int flow[10010][10010]; bool inq[10010]; int d[10010]; int pre[10010],pref[10010]; int minc,maxf; int main() { cin>>n>>…
Matrix Again Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 102400/102400 K (Java/Others)Total Submission(s): 4255 Accepted Submission(s): 1233 Problem Description Starvae very like play a number game in the n*n Matrix. A positive integer…
Evacuation Plan Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4914 Accepted: 1284 Special Judge Description The City has a number of municipal buildings and a number of fallout shelters that were build specially to hide municipal w…