题目描述 Farmer John and his herd are playing frisbee. Bessie throws the frisbee down the field, but it's going straight to Mark the field hand on the other team! Mark has height H (1 <= H <= 1,000,000,000), but there are N cows on Bessie's team gathere…
题目描述 Farmer John and his herd are playing frisbee. Bessie throws the frisbee down the field, but it's going straight to Mark the field hand on the other team! Mark has height H (1 <= H <= 1,000,000,000), but there are N cows on Bessie's team gathere…
题目:https://www.luogu.org/problemnew/show/P3112 状压dp.发现只需要记录当前状态的牛中剩余承重最小的值. #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #define ll long long using namespace std; ,Lm=(<<)+,INF=1e9+; ; ll h,dp[Lm]…
题目描述 Farmer John and his herd are playing frisbee. Bessie throws the frisbee down the field, but it's going straight to Mark the field hand on the other team! Mark has height H (1 <= H <= 1,000,000,000), but there are N cows on Bessie's team gathere…
题意翻译 FJ将飞盘抛向身高为H(1 <= H <= 1,000,000,000)的Mark,但是Mark被N(2 <= N <= 20)头牛包围.牛们可以叠成一个牛塔,如果叠好后的高度大于或者等于Mark的高度,那牛们将抢到飞盘. 每头牛都一个身高,体重和耐力值三个指标.耐力指的是一头牛最大能承受的叠在他上方的牛的重量和.请计算牛们是否能够抢到飞盘.若是可以,请计算牛塔的最大稳定强度,稳定强度是指,在每头牛的耐力都可以承受的前提下,还能够在牛塔最上方添加的最大重量. 题目描述 F…
题目描述 FJ将飞盘抛向身高为H(1 <= H <= 1,000,000,000)的Mark,但是Mark 被N(2 <= N <= 20)头牛包围.牛们可以叠成一个牛塔,如果叠好后的高度大于或者等于Mark的高度,那牛们将抢到飞盘. 每头牛都一个身高,体重和耐力值三个指标.耐力指的是一头牛最大能承受的叠在他上方的牛的重量和.请计算牛们是否能够抢到飞盘.若是可以,请计算牛塔的最大稳定强度,稳定强度是指,在每头牛的耐力都可以承受的前提下,还能够在牛塔最上方添加的最大重量. 输入输出样…
->题目链接 题解: 贪心+模拟 #include<algorithm> #include<iostream> #include<cstring> #include<cstdio> using namespace std; ; ],w[],s[],f[(<<)+],g[(<<)+],ans=-; int main() { scanf("%d%d",&n,&H); ; i<=n-; i++…
题目:https://www.luogu.org/problemnew/show/P3112 状压DP...转移不错. 代码如下: #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; ll <<),inf=1e18; ll n,H,h[],w[],s[],f[maxn…
P3110 [USACO14DEC]驮运Piggy Back 题目描述 贝西和她的妹妹艾尔斯白天在不同的地方吃草,而在晚上他们都想回到谷仓休息.聪明的牛仔,他们想出了一个计划,以尽量减少他们在步行时花费的总能量. 贝西在从田野走到相邻的地方时,花费B个能量单位,当她走到相邻的地方时,Elsie花费了E个能量单位.但是,如果Bessie和Elsie在同一个领域,Bessie可以携带Elsie在她的肩上,两者都可以移动到相邻的场地,而只花费P个能量单位(P可能比B + E小得多,Bessie的数量而…
P3111 [USACO14DEC]牛慢跑Cow Jog_Sliver 题目描述 The cows are out exercising their hooves again! There are N cows jogging on an infinitely-long single-lane track (1 <= N <= 100,000). Each cow starts at a distinct position on the track, and some cows jog at…