POJ1384Piggy-Bank[完全背包]】的更多相关文章

多重背包... ---------------------------------------------------------------------------- #include<bits/stdc++.h>     #define rep(i, n) for(int i = 0; i < n; i++) #define clr(x, c) memset(x, c, sizeof(x))   using namespace std;   const int maxn = 209,…
1531: [POI2005]Bank notes Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 521  Solved: 285[Submit][Status][Discuss] Description Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. Input 第一行一个数 n,…
[题目大意] Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. [思路] 裸的多重背包能过,不过好像有个神奇的优化? 把c[i]拆分成(1.2.4.…….2^x.余下数)的形式,由于每一次在前一次的基础上进行,可以拼凑初1..c[i]中的任意数. #include<iostream> #include<cstdio>…
题目描述 Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. 输入 第一行一个数 n, 1 <= n <= 200. 接下来一行 n 个整数b1, b2,..., bn, 1 <= b1 < b2 < ... < b n <= 20 000, 第三行 n 个整数c1, c2,..., cn, 1 <…
多重背包二进制优化终于写了一次,注意j的边界条件啊,疯狂RE(还是自己太菜了啊啊)最辣的辣鸡 #include<bits/stdc++.h> using namespace std; int n,sum; ; ; ; const int inf=0x3f3f3f3f; int w[N*C],idx,num[N*C]; int b[N],c[N]; //面值 个数 int f[K],k; int main(){ scanf("%d",&n); ;i<=n;i++…
传送门 显然不能直接写多重背包. 这题可以用二进制拆分/单调队列优化(感觉二进制好写). 所谓二进制优化,就是把1~c[i]拆分成20,21,...2t,c[i]−2t+1+1" role="presentation" style="position: relative;">20,21,...2t,c[i]−2t+1+120,21,...2t,c[i]−2t+1+1的组合. 这样物品总个数就变成了∑log(c[i])" role="…
Description Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. Input 第一行一个数 n, 1 <= n <= 200. 接下来一行 n 个整数b1, b2,..., bn, 1 <= b1 < b2 < ... < b n <= 20 000, 第三行 n 个整数c1, c2,...,…
Description Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. Input 第一行一个数 n, 1 <= n <= 200. 接下来一行 n 个整数b1, b2,..., bn, 1 <= b1 < b2 < ... < b n <= 20 000, 第三行 n 个整数c1, c2,...,…
Robberies Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10526    Accepted Submission(s): 3868 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that…
Cash Machine Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 26172   Accepted: 9238 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 ma…
Cash Machine Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 33444   Accepted: 12106 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…
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…
这个题的想法不难,两个点: 1 是完全背包 2 是考虑/1000,降低复杂度   但是提交的时候反复的wa,最后找问题原来是dp开小了,可是dp本来开1005,后来开到100030过了.哎,如果没有时间计算 dp的长度的话,就往大了开,血的教训.     Investment Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 10087   Accepted: 3539 Description John never knew…
Robberies Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 21310    Accepted Submission(s): 7885 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that…
Robberies Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15649    Accepted Submission(s): 5747 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that…
Description Byteotian Bit Bank (BBB) 拥有一套先进的货币系统,这个系统一共有n种面值的硬币,面值分别为b1, b2,..., bn. 但是每种硬币有数量限制,现在我们想要凑出面值k求最少要用多少个硬币. Input 第一行一个数 n, 1 <= n <= 200. 接下来一行 n 个整数b1, b2,..., bn, 1 <= b1 < b2 < ... < b n <= 20 000, 第三行 n 个整数c1, c2,...,…
http://acm.hdu.edu.cn/showproblem.php?pid=2955 如果认为:1-P是背包的容量,n是物品的个数,sum是所有物品的总价值,条件就是装入背包的物品的体积和不能超过背包的容量1-P. 在这个条件下,让装入背包的物品的总价值,也就是bag[i].[v]的和最大 bag.v是每一件物品的价值,bag.p是每件物品的体积 像上面这样想是行不通的.下面有解释 这道题麻烦的是概率这东西没法用个循环表示出来,根据我以往的经验,指望着把给出的测试数据乘上一百或者一万这种…
A - Robberies Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 2955 Appoint description: Description The aspiring Roy the Robber has seen a lot of American movies, and knows that the bad guys usu…
Description As Harry Potter series is over, Harry has no job. Since he wants to make quick money, (he wants everything quick!) so he decided to rob banks. He wants to make a calculated risk, and grab as much money as possible. But his friends - Hermi…
Robberies Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16565 Accepted Submission(s): 6087 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that the b…
Description On January 1st 2002, The Netherlands, and several other European countries abandoned their national currency in favour of the Euro. This changed the ease of paying, and not just internationally. A student buying a 68 guilder book before J…
Description John never knew he had a grand-uncle, until he received the notary's letter. He learned that his late grand-uncle had gathered a lot of money, somewhere in South-America, and that John was the only inheritor.John did not need that much mo…
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…
/*Robberies Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 13854 Accepted Submission(s): 5111 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that the…
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…
Robberies Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18013    Accepted Submission(s): 6653 Problem Description The aspiring Roy the Robber has seen a lot of American movies, and knows that…
Euro Efficiency Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 20000/10000K (Java/Other) Total Submission(s) : 12   Accepted Submission(s) : 3 Problem Description On January 1st 2002, The Netherlands, and several other European countries aban…
Investment Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 8019   Accepted: 2747 Description John never knew he had a grand-uncle, until he received the notary's letter. He learned that his late grand-uncle had gathered a lot of money, s…
Problem Description John never knew he had a grand-uncle, until he received the notary’s letter. He learned that his late grand-uncle had gathered a lot of money, somewhere in South-America, and that John was the only inheritor. John did not need tha…
1079 - Just another Robbery   PDF (English) Statistics Forum Time Limit: 4 second(s) Memory Limit: 32 MB As Harry Potter series is over, Harry has no job. Since he wants to make quick money, (he wants everything quick!) so he decided to rob banks. He…