hdu 1050(贪心算法)
来源:互联网 发布:成都软件开发工作室 编辑:程序博客网 时间:2024/06/05 01:52
Moving Tables
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 19278 Accepted Submission(s): 6582
Problem Description
The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following figure.
The floor has 200 rooms each on the north side and south side along the corridor. Recently the Company made a plan to reform its system. The reform includes moving a lot of tables between rooms. Because the corridor is narrow and all the tables are big, only one table can pass through the corridor. Some plan is needed to make the moving efficient. The manager figured out the following plan: Moving a table from a room to another room can be done within 10 minutes. When moving a table from room i to room j, the part of the corridor between the front of room i and the front of room j is used. So, during each 10 minutes, several moving between two rooms not sharing the same part of the corridor will be done simultaneously. To make it clear the manager illustrated the possible cases and impossible cases of simultaneous moving.
For each room, at most one table will be either moved in or moved out. Now, the manager seeks out a method to minimize the time to move all the tables. Your job is to write a program to solve the manager’s problem.
The floor has 200 rooms each on the north side and south side along the corridor. Recently the Company made a plan to reform its system. The reform includes moving a lot of tables between rooms. Because the corridor is narrow and all the tables are big, only one table can pass through the corridor. Some plan is needed to make the moving efficient. The manager figured out the following plan: Moving a table from a room to another room can be done within 10 minutes. When moving a table from room i to room j, the part of the corridor between the front of room i and the front of room j is used. So, during each 10 minutes, several moving between two rooms not sharing the same part of the corridor will be done simultaneously. To make it clear the manager illustrated the possible cases and impossible cases of simultaneous moving.
For each room, at most one table will be either moved in or moved out. Now, the manager seeks out a method to minimize the time to move all the tables. Your job is to write a program to solve the manager’s problem.
Input
The input consists of T test cases. The number of test cases ) (T is given in the first line of the input. Each test case begins with a line containing an integer N , 1<=N<=200 , that represents the number of tables to move. Each of the following N lines contains two positive integers s and t, representing that a table is to move from room number s to room number t (each room number appears at most once in the N lines). From the N+3-rd line, the remaining test cases are listed in the same manner as above.
Output
The output should contain the minimum time in minutes to complete the moving, one per line.
Sample Input
3 4 10 20 30 40 50 60 70 80 2 1 3 2 200 3 10 100 20 80 30 50
Sample Output
102030
Source
Asia 2001, Taejon (South Korea)
可以不用贪心算法的,但是一般的贪心算法题却可以这样做 诶 用贪心算法还太长
代码如下:
<span style="font-size:14px;">#include<stdio.h>#include<string.h>#include<algorithm>using namespace std;int main(){ int t; scanf("%d",&t); while(t--) { int js[210]={0},i,n; scanf("%d",&n); for(i=0;i<n;i++) { int b,e,j,k=0; scanf("%d%d",&b,&e); if(b>e) swap(b,e); for(j=(b+1)/2;j<=(e+1)/2;j++) js[j]++; } int max=js[0]; for(i=1;i<210;i++) if(max<js[i]) max=js[i]; printf("%d\n",max*10); } return 0;}</span>
0 0
- hdu 1050(贪心算法)
- hdu 1050 Moving Tables(贪心算法)
- HDU 1051 贪心算法
- hdu 1052贪心算法
- hdu 1789 贪心算法
- hdu 1051(贪心算法)
- HDSaving HDU贪心算法
- HDU-ACM1009--贪心算法
- hdu 1009 贪心算法
- HDU 2037 (贪心算法)
- Saving HDU hdu2111 贪心算法
- hdu 4221 Greedy 贪心算法
- Hdu2111 - Saving HDU - 贪心算法
- hdu 2037 贪心算法求解
- HDU 迷瘴(贪心算法)
- HDU 4310 Hero (贪心算法)
- 贪心算法——Hdu 1050 Moving Tables
- 贪心算法(hdu 4442 hdu 3183)
- no declaration can be found for element mvc resources
- eclipse导出jar包步骤及注意点
- Linux程序设计学习笔记----System V进程通信(共享内存)
- 用yum安装ceph
- POJ2240Arbitrage SPFA+邻接矩阵
- hdu 1050(贪心算法)
- install debian mips on linux host
- EasyUI修改DateBox和DateTimeBox的默认日期格式
- 隐式指针
- SQLserver中的视图与主外键的创建
- C语言条件编译
- Request请求
- hibernate 三种状态详解
- linux下stray \357 in program的解决