Drainage Ditches Problem Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. Thus, Farmer John has…
计算最大流,EK算法模板题. #include <stdio.h> #include <string.h> #include <queue> using namespace std; ; ; <<; int n,m,s,t,cnt,max_flow; int head[maxn],pre[maxn],a[maxn]; struct node { int u; int v; int cap; int next; } edge[maxm]; void init(…
Power Network Time Limit: 2000MS Memory Limit: 32768K Total Submissions: 24930 Accepted: 12986 Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied…
Language: Default Power Network Time Limit: 2000MS Memory Limit: 32768K Total Submissions: 23407 Accepted: 12267 Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node…
B - Dining Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3281 Appoint description: Description Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she w…
