点此看题面 大致题意: 有\(n\)件T恤衫,告诉你每件T恤衫的价格以及它正面和反面的颜色(\(1≤\)颜色的编号\(≤3\)),现在有m个顾客,已知每个人想要的衣服的颜色(一件T恤衫只要有一面的颜色满足他的需求即可),请你求出每个人所需支付的最低价格(一件T恤衫只能被买一次). 题解 由于这道题的颜色最多只有\(3\)种,因此,我们只要开\(3\)个小根堆来存储每种颜色的衣服的价格和编号(价格为第一关键字)即可. 由于每件衣服只能被买一次,因此当一件衣服被买走之后,我们可以给它打个标记表示它已…

题目大意 有一些衣服,它们有价格.正面的颜色和反面的颜色.现有一群顾客按顺序来买存在某颜色且价格最低的衣服(不存在则不会买),求每个顾客花了多少钱. 思路 #include <cstdio> #include <cstring> #include <algorithm> #include <queue> using namespace std; const int MAX_OBJ = 200010, MAX_COLOR = 5; int TotObj; st…

BUYING FEED 时间限制:3000 ms  |  内存限制:65535 KB 难度:4   描述 Farmer John needs to travel to town to pick up K (1 <= K <= 100)pounds of feed. Driving D miles with K pounds of feed in his truck costs D*K cents. The county feed lot has N (1 <= N<= 100) s…

[BZOJ1618][Usaco2008 Nov]Buying Hay 购买干草 试题描述 约翰的干草库存已经告罄,他打算为奶牛们采购H(1≤H≤50000)磅干草． 他知道N(1≤N≤100)个干草公司,现在用1到N给它们编号．第i个公司卖的干草包重量为Pi(1≤Pi≤5000)磅,需要的开销为Ci(l≤Ci≤5000)美元．每个干草公司的货源都十分充足,可以卖出无限多的干草包．    帮助约翰找到最小的开销来满足需要,即采购到至少H磅干草． 输入 第1行输入N和日,之后N行每行输入一个Pi和…

题目链接:10626 - Buying Coke 题目大意:给出要买可乐的数量, 以及1元,5元和10元硬币的数量, 每瓶可乐8元,每次照钱会按照最少硬币的方式找回, 问如何投币可使得投入的硬币数最少, 输出最少硬币值. 解题思路:记忆化搜索, 因为可乐每购买一次便要找会硬币,所以对与每个状态考虑的情况比并不是很多. 注意:1.每够买一次可乐便会找回一次硬币,所以不用考虑的太复杂. 2.题目中虽然说1元不超过500个,但是开的记录数组一定要比500大,大约700左右,因为要考虑找回金额的情况.…

无限背包dp.. 因为题目中说至少到 H 磅 , 我就直接把 H * 2 了.. -------------------------------------------------------------------------- #include<cstdio> #include<algorithm> #include<cstring> #include<iostream>   #define rep( i , n ) for( int i = 0 ; i…

题目 1618: [Usaco2008 Nov]Buying Hay 购买干草 Time Limit: 5 Sec  Memory Limit: 64 MB Submit: 679  Solved: 347 [Submit][Status] Description     约翰的干草库存已经告罄,他打算为奶牛们采购日(1≤日≤50000)磅干草．     他知道N(1≤N≤100)个干草公司,现在用1到N给它们编号．第i个公司卖的干草包重量为Pi(1≤Pi≤5000)磅,需要的开销为Ci(l≤C…

2020: [Usaco2010 Jan]Buying Feed, II Time Limit: 3 Sec  Memory Limit: 64 MBSubmit: 220  Solved: 162[Submit][Status] Description (buying.pas/buying.in/buying.out 128M 1S) Farmer John needs to travel to town to pick up K (1 <= K <= 100) pounds of feed…

Is this your shirt?Whose shirt is white? A:Whose shirt is that? Is this your shirt, Dave? Dave:No sir. It's not my shirt. This is my shirt. My Shirt is blue. A:Is this shirt Time's Dave:Perhaps it its sir. Tim's shirt is white. A:Tim! Time:Yes sir? A…

Windows 10文件夹Shirt+鼠标右键出现“在此处打开命令窗口” Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Directory\Background\shell\cmdX] @="@shell32.dll,-8506" "Extended"="" "ShowBasedOnVelocityId"=dword:00639bc8 "NoWorki…

Water Buying time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp wants to cook a soup. To do it, he needs to buy exactly nn liters of water. There are only two types of water bottles i…

Blue skies were finally visible in the capital on Thursday after the region suffered fromseven straight days of intense pollution, sending consumers out in droves to buy pollution masks. in droves:陆陆续续,成群结队 Although Thursday’s weather brought a colle…

题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…

P2918 [USACO08NOV]买干草Buying Hay 显然的完全背包 设$f[i]$为买$i$磅干草的最小代价 搞搞完全背包即可 注意到最后可能买的干草超出范围,但是价格可能更低. 于是我们的背包处理到$m+maxP$即可(本题$P_{i}<=5000$) end. #include<iostream> #include<cstdio> #include<cstring> #define re register using namespace std;…

题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…

B. T-shirt buying time limit per test   3 seconds memory limit per test   256 megabytes   A new pack of n t-shirts came to a shop. Each of the t-shirts is characterized by three integers pi, ai and bi, where pi is the price of the i-th t-shirt, ai is…

http://www.lydsy.com/JudgeOnline/problem.php?id=2020 和背包差不多 同样滚动数组 f[j]表示当前位置j份食物的最小价值 f[j]=min(f[j-l]+l*c) 1<=l<=f 而且在每一步走的时候 f[j]+=j 然后就行了.. #include <cstdio> #include <cstring> #include <cmath> #include <string> #include &…

SELECT s.* FROM person p INNER JOIN shirt sON s.owner = p.idWHERE p.name LIKE 'Lilliana%'AND s.color <> 'white';…

Problem F: F BUYING FEED Description Farmer John needs to travel to town to pick up K (1 <= K <= 100)pounds of feed. Driving D miles with K pounds of feed in his truck costs D*K cents. The county feed lot has N (1 <= N <= 100) stores (convenie…

题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…

购买巧克力Chocolate Buying 乍一看以为是背包,然后交了一个感觉没错的背包上去. #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; //Mystery_Sky // #define M 10000000 #define ll long long ll f[M]; ll p[M], num[M], s…

P2983 [USACO10FEB]购买巧克力Chocolate Buying 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of choc…

B. T-shirt buying time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output A new pack of n t-shirts came to a shop. Each of the t-shirts is characterized by three integers pi, ai and bi, where pi i…

https://www.luogu.org/problem/show?pid=2983 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of…

洛谷 P2616 [USACO10JAN]购买饲料II Buying Feed, II https://www.luogu.org/problemnew/show/P2616 题目描述 Farmer John needs to travel to town to pick up K (1 <= K <= 100) pounds of feed. Driving D miles with K pounds of feed in his truck costs D*K cents. The cou…

洛谷 P2918 [USACO08NOV]买干草Buying Hay https://www.luogu.org/problem/P2918 JDOJ 2592: USACO 2008 Nov Silver 1.Buying Hay https://neooj.com:8082/oldoj/problem.php?id=2592 题目描述 Farmer John is running out of supplies and needs to purchase H (1 <= H <= 50,0…

洛谷 P2616 [USACO10JAN]购买饲料II Buying Feed, II 洛谷传送门 JDOJ 2671: USACO 2010 Jan Silver 2.Buying Feed, II JDOJ传送门 Description Farmer John needs to travel to town to pick up K (1 <= K <= 100) The county feed lot has N (1 <= N <= 100) stores (conveni…

P2918 [USACO08NOV]买干草Buying Hay 题目描述 Farmer John is running out of supplies and needs to purchase H (1 <= H <= 50,000) pounds of hay for his cows. He knows N (1 <= N <= 100) hay suppliers conveniently numbered 1..N. Supplier i sells packages t…

P2983 [USACO10FEB]购买巧克力Chocolate Buying 题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of choc…

题目描述 Bessie and the herd love chocolate so Farmer John is buying them some. The Bovine Chocolate Store features N (1 <= N <= 100,000) kinds of chocolate in essentially unlimited quantities. Each type i of chocolate has price P_i (1 <= P_i <= 1…