Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a requested cash amount. The machine uses exactly N distinct bill denominations, say Dk, k=1,N, and for each denomination Dk the…
题目链接:http://poj.org/problem? id=1276 Cash Machine Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 29827 Accepted: 10733 Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bil…
大神博客转载http://www.cppblog.com/MatoNo1/archive/2011/07/05/150231.aspx多重背包的单调队列初中就知道了但一直没(不会)写二进制优化初中就写过一直不写会心虚就写一下这个吧朴素方程dp[i,j]=max(dp[i-1,j-w[i]*k]+c[i]*k) w[i]*k<=j k<=j div w[i]忽略第一维dp[j]=max(dp[j-w[i]*k]+c[i]*k)复杂度O(m2n)以下是大神原文:将决策下标按照模w0的余数进行分类,…
Time Limit: 1000MS Memory Limit: 10000KB 64bit IO Format: %lld & %llu Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a requested cash amount. The machine uses exactly N di…
Cash Machine Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 32971 Accepted: 11950 Description A Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a requested cash amount. The m…