Description A set of n<tex2html_verbatim_mark> 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l<tex2html_verbatim_mark> and each item i<tex2html_verbatim_mark> has length lil<tex2html_…
Bin Packing 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=85904#problem/F 题目: A set of n<tex2html_verbatim_mark> 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l<tex2html_verbatim_mark&…
题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=38 Ecological Bin Packing Background Bin packing, or the placement of objects of certain weights into different bins subject…
Background Bin packing, or the placement of objects of certain weights into different bins subject to certain constraints, is an historically interesting problem. Some bin packing problems are NP-complete but are amenable to dynamic programming solut…
Vector bin packing:first fit / best fit / grasp 成本:性价比 (先验) 设计评价函数: evaluation function:cosine similarity / vertical distance / dynamic programming 搜索: 启发式方法 local search 邻域解 population based 粒子群优化,遗传算法,模拟退火 simulated annealing 模拟退火 应用 Solution 邻域拆分/…
传送门 A set of n 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l and each item i has length li ≤ l. We look for a minimal number of bins q such that • each bin contains at most 2 items, • each item is pa…
Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Description A set of n<tex2html_verbatim_mark> 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l<tex2html_…
F - 贪心+ 二分 Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Description A set of n<tex2html_verbatim_mark> 1-dimensional items have to be packed in identical bins. All bins have exactly the same length l<tex2html_ver…
A set of n 1-dimensional items have to be packed in identical bins. All bins have exactly the samelength l and each item i has length li ≤ l. We look for a minimal number of bins q such that• each bin contains at most 2 items,• each item is packed in…
