UVA - 10154 Weights and Measures
来源:互联网 发布:sql查询语句例题 编辑:程序博客网 时间:2024/05/24 01:49
题意:有几只乌龟,每只乌龟有一定的重量与力量。每只乌龟可以背小于它力量的重量(包括它自身的重量)。问最多一共可以有多少只乌龟叠在一起。显然力量越大的在下面的话,上面就越能承受越大的重量,所以按力量排序,接下来就有点最长上升子序列的意思了,用dp[i]表示叠i只乌龟的最小重量,越小的话就好这也是显然的,那么我们就可以设sign表示最多有叠几只
#include <iostream>#include <cstdio>#include <cstring>#include <algorithm>using namespace std;const int MAXN = 6005;struct node{ int wei,pow;}arr[MAXN];int dp[MAXN];bool cmp(const node a,const node b){ return a.pow < b.pow;}int main(){ int n = 0; while (scanf("%d%d",&arr[n].wei,&arr[n].pow) != EOF) ++n; sort(arr,arr+n,cmp); memset(dp,MAXN,sizeof(dp)); int sign = 0; dp[0] = 0; for (int i = 0; i < n; i++) for (int j = sign; j >= 0; j--) if (dp[j] + arr[i].wei < arr[i].pow && dp[j+1] > dp[j]+arr[i].wei){ dp[j+1] = dp[j] + arr[i].wei; sign = max(sign,j+1); } printf("%d\n",sign); return 0;}
- uva 10154 Weights and Measures
- UVA 10154 Weights and Measures
- UVa 10154 - Weights and Measures
- uva 10154 - Weights and Measures
- UVa:10154 Weights and Measures
- UVA - 10154 Weights and Measures
- UVA 10154 Weights and Measures
- UVA - 10154 Weights and Measures
- UVA - 10154 Weights and Measures
- UVa 10154 - Weights and Measures
- UVA - 10154 Weights and Measures
- UVA 10154 - Weights and Measures
- uva 10154 Weights and Measures
- UVa 10154 - Weights and Measures
- uva 10154 Weights and Measures
- uva 10154 Weights and Measures
- UVa 10154 Weights and Measures
- UVa 10154 - Weights and Measures dp 降维
- 结构体的大小的计算与空间的优化--之位域字段
- 浏览器的工作原理
- Qt好书推荐
- POJ 3648 Wedding(2-sat方案输出,4级)
- vim分割窗口
- UVA - 10154 Weights and Measures
- 机房收费系统(2)-问题因小见大
- hdu 1003 Max Sum
- nandflash传址原理
- Checkboxes(复选框),感觉这个都挺重要的!
- 计算机视觉、机器学习相关领域论文和源代码大集合(转)
- MyEclipse撤销已部署的Structs框架
- 提问的智慧
- 提交和复位按钮的知识(Submit & Reset Buttons)