题面:P2925 [USACO08DEC]干草出售Hay For Sale 题解:无 代码: #include<cstdio> #include<cstring> #include<iostream> using namespace std; ,maxh=; int C,H,V[maxh]; bool F[maxc]; int main(){ scanf("%d%d",&C,&H); ;i<=H;i++)scanf("…

P2925 [USACO08DEC]干草出售Hay For Sale 简化版01背包(连价值都免了) 直接逆推解决 #include<iostream> #include<cstdio> #include<cstring> #include<cctype> #define re register using namespace std; void read(int &x){ ; while(!isdigit(c)) c=getchar(); )+(x…

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…

题意翻译 题目描述 农民john面临一个很可怕的事实,因为防范失措他存储的所有稻草给澳大利亚蟑螂吃光了,他将面临没有稻草喂养奶牛的局面.在奶牛断粮之前,john拉着他的马车到农民Don的农场中买一些稻草给奶牛过冬.已知john的马车可以装的下C(1 <= C <=50,000)立方的稻草. 农民Don有H(1 <= H <= 5,000)捆体积不同的稻草可供购买,每一捆稻草有它自己的体积(1 <= V_i <= C).面对这些稻草john认真的计算如何充分利用马车的空间…

[题目描述:] 约翰遭受了重大的损失:蟑螂吃掉了他所有的干草,留下一群饥饿的牛．他乘着容量为C(1≤C≤50000)个单位的马车,去顿因家买一些干草． 顿因有H(1≤H≤5000)包干草,每一包都有它的体积Vi(l≤Vi≤C).约翰只能整包购买, 他最多可以运回多少体积的干草呢? [输入格式:] Line 1: Two space-separated integers: C and H Lines 2..H+1: Each line describes the volume of a singl…

https://www.luogu.org/problem/show?pid=2925 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…

传送门 把每体积的干草价值看成一,就变成求最大价值 直接上背包就行了 注意优化常数 #include<iostream> #include<cstdio> #include<algorithm> #include<cstring> #include<cmath> using namespace std; inline int read() { ,f=; char ch=getchar(); ; ch=getchar(); } )+(x<&l…

嗯... 题目链接:https://www.luogu.org/problemnew/show/P2925 这是一道简单的01背包问题,但是按照正常的01背包来做会TLE一个点,所以要加一个特判(见代码). AC代码: #include<cstdio> #include<iostream> using namespace std; ], dp[]; int main(){ int c, h; scanf("%d%d", &c, &h); ; i…

\(\Huge{dp第一题}\) 题目描述 农民john面临一个很可怕的事实,因为防范失措他存储的所有稻草给澳大利亚蟑螂吃光了,他将面临没有稻草喂养奶牛的局面.在奶牛断粮之前,john拉着他的马车到农民Don的农场中买一些稻草给奶牛过冬.已知john的马车可以装的下C(1 <= C <=50,000)立方的稻草. 农民Don有H(1 <= H <= 5,000)捆体积不同的稻草可供购买,每一捆稻草有它自己的体积(1 <= V_i <= C).面对这些稻草john认真的计…

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…