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…
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…
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…
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…
好像是完全背包吧分不清了-- 好像是把数组二维压一维的时候,01背包倒序,完全背包正序 ```cpp include include using namespace std; const int N=105,H=55005; int n,h,p[N],c[N],f[H]; int main() { scanf("%d%d",&n,&h); for(int i=1;i<=n;i++) scanf("%d%d",&p[i],&c[i…
Search GO 说明:输入题号直接进入相应题目,如需搜索含数字的题目,请在关键词前加单引号 Problem ID Title Source AC Submit Y 1000 A+B Problem 10983 18765 Y 1036 [ZJOI2008]树的统计Count 5293 13132 Y 1588 [HNOI2002]营业额统计 5056 13607 1001 [BeiJing2006]狼抓兔子 4526 18386 Y 2002 [Hnoi2010]Bounce 弹飞绵羊 43…
USACO 2009 Open 干草塔 Tower of Hay Description 为了调整电灯亮度,贝西要用干草包堆出一座塔,然后爬到牛棚顶去把灯泡换掉.干草 包会从传送带上运来,共会出现N包干草,第i包干草的宽度是Wi,高度和长度统一为1.干 草塔要从底层开始铺建.贝西会选择最先送来的若干包干草,堆在地上作为第一层,然后再 把紧接着送来的几包干草包放在第二层,再铺建第三层--重复这个过程,一直到所有的干 草全部用完.每层的干草包必须紧靠在一起,不出现缝隙,而且为了建筑稳定,上层干草的…
题目描述 Farmer John suffered a terrible loss when giant Australian cockroaches ate the entirety of his hay inventory, leaving him with nothing to feed the cows. He hitched up his wagon with capacity C (1 <= C <= 50,000) cubic units and sauntered over t…
Out of Hay Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13094 Accepted: 5078 Description The cows have run out of hay, a horrible event that must be remedied immediately. Bessie intends to visit the other farms to survey their hay situa…
Description The cows have run <= N <= ,) farms (numbered ..N); Bessie starts at Farm . She'll traverse some or all of the M (1 <= M <= 10,000) two-way roads whose length does not exceed 1,000,000,000 that connect the farms. Some farms may be m…
-------------------------------------------------------------------- #include<cstdio> #include<algorithm> #include<iostream> #include<cstring> #define rep( i , n ) for( int i = 0 ; i < n ; ++i ) #define clr( x , c ) memset( x…