最大流 const int inf = 1000000000 ;const int maxn = 20000 , maxm = 500000 ;struct Edge{int v , f ,next ;Edge(){}Edge(int _v , int _f , int _next):v(_v) ,f(_f),next(_next){}};int sourse , mee
java.util.concurrent.PriorityBlockingQueue#siftUpComparable 代码很简单,记录一下。 /*** Inserts item x at position k, maintaining heap invariant by* promoting x up the tree until it is greater than or eq
矩形面积 Accepts: 717 Submissions: 1619 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description 小度熊有一个桌面,小度熊剪了很多矩形放在桌面上,小度熊想知道能把这些