【HDU2717-Catch That Cow （BFS入门）】的更多相关文章

HDU 2717 Catch That Cow --- BFS

HDU 2717 题目大意:在x坐标上,农夫在n,牛在k.农夫每次可以移动到n-1, n+1, n*2的点.求最少到达k的步数. 思路:从起点开始,分别按x-1,x+1,2*x三个方向进行BFS,最先找到的一定是最小的步数. /* HDU 2717 Catch That Cow --- BFS */ #include <cstdio> #include <cstring> #include <queue> using namespace std; ]; int n, k…

POJ 3278 Catch That Cow[BFS+队列+剪枝]

第一篇博客,格式惨不忍睹.首先感谢一下鼓励我写博客的大佬@Titordong其次就是感谢一群大佬激励我不断前行@Chunibyo@Tiancfq因为室友tanty强烈要求出现,附上他的名字. Catch That Cow(POJ3278) BFS入门题,然鹅我还是WA了四五发,因为没注意,位置0是可以访问的.再者就是初始位置在push之后,要标记为已经访问. 图片挺不错,我们地大(武汉)的旖旎风光,放松一下. 题目链接:POJ3278 Description Farmer John has be…

POJ3278——Catch That Cow(BFS)

Catch That Cow DescriptionFarmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number l…

poj 3278 Catch That Cow (bfs搜索）

Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 46715   Accepted: 14673 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…

POJ 3278 Catch That Cow(BFS,板子题)

Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 88732   Accepted: 27795 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…

HDU2717 Catch That Cow 【广搜】

Catch That Cow Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7147    Accepted Submission(s): 2254 Problem Description Farmer John has been informed of the location of a fugitive cow and wants…

poj 3278 catch that cow BFS(基础水)

Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 61826   Accepted: 19329 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…

POJ - 3278 Catch That Cow BFS求线性双向最短路径

Catch That Cow Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer…

POJ3278 Catch That Cow —— BFS

题目链接:http://poj.org/problem?id=3278 Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 97563   Accepted: 30638 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He…

catch that cow (bfs 搜索的实际应用，和图的邻接表的bfs遍历基本上一样)

Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 38263   Accepted: 11891 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…

POJ3278 Catch That Cow(BFS)

Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer Jo…

poj 3278 Catch That Cow bfs

Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer Jo…

Catch That Cow (BFS广搜)

问题描述: Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer John has…

poj 3278 Catch That Cow(bfs+队列)

Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer Jo…

Poj 3287 Catch That Cow(BFS)

Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer Jo…

hdu2717 Catch That Cow

http://acm.hdu.edu.cn/showproblem.php?pid=2717 //水搜... #include<stdio.h> #include<math.h> #include<string.h> #include<stdlib.h> #include<iostream> #include<queue> using namespace std; struct stu{ int x; int t; }abc,q; i…

1209:Catch That Cow(bfs)

题意: 从一个坐标到另一个坐标的移动方式有三种,即:st-1,st+1,2*st.每移动一步时间是一秒. 给出两个坐标,求得从第一坐标到第二座标的最短时间. #include<iostream> #include<cstdio> #include<queue> #include<cstring> using namespace std; const int maxn=100005; int step[maxn]; int st,ed; void bfs(){…

POJ - 3278 Catch That Cow bfs 线性

#include<stdio.h> #include<string.h> #include<algorithm> #include<queue> using namespace std; ],vis[]; queue<int>q; int bfs(int n,int k) { int head,next,i; q.push(n); a[n]=; vis[n]=; ) { head=q.front(); q.pop(); ;i<;i++) {…

D - Catch That Cow BFS

农夫知道一头牛的位置,想要抓住它.农夫和牛都于数轴上 ,农夫起始位于点 N(0<=N<=100000) ,牛位于点 K(0<=K<=100000) .农夫有两种移动方式: 1.从 X移动到 X-1或X+1 ,每次移动花费一分钟 2.从 X移动到 2*X ,每次移动花费一分钟 假设牛没有意识到农夫的行动,站在原地不.最少要花多少时间才能抓住牛?Input 一行: 以空格分隔的两个字母: N 和 K Output 一行: 农夫抓住牛需要的最少时间,单位分钟 Sample Input 5…

POJ 3278 Catch That Cow bfs 难度:1

http://poj.org/problem?id=3278 从n出发,向两边转移,为了不使数字无限制扩大,限制在2*k以内, 注意不能限制在k以内,否则就缺少不断使用-1得到的一些结果 #include <cstdio> #include <cstring> #include <algorithm> #include <queue> using namespace std; const int maxn=2e5+3; int n,k; int dp[max…

Catch That Cow （bfs）

Catch That Cow bfs代码 #include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #include<string> #include<vector> #include<stack> #include<bitset> #include<cstdlib> #include<cmath>…

POJ 3278 Catch That Cow（bfs）

传送门 Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 80273   Accepted: 25290 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 10…

HDU 2717 Catch That Cow （bfs）

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2717 Catch That Cow Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12615    Accepted Submission(s): 3902 Problem Description Farmer John has been…

BFS POJ 3278 Catch That Cow

题目传送门 /* BFS简单题:考虑x-1,x+1,x*2三种情况,bfs队列练练手 */ #include <cstdio> #include <iostream> #include <algorithm> #include <map> #include <queue> #include <set> #include <cmath> #include <cstring> using namespace std…

HDU 2717 Catch That Cow（BFS）

Catch That Cow Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same number line. Farmer…

hdoj 2717 Catch That Cow【bfs】

Catch That Cow Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9276    Accepted Submission(s): 2907 Problem Description Farmer John has been informed of the location of a fugitive cow and wants…

Catch That Cow（BFS）

Catch That Cow Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10166    Accepted Submission(s): 3179 Problem Description Farmer John has been informed of the location of a fugitive cow and wants…

BZOJ 1646: [Usaco2007 Open]Catch That Cow 抓住那只牛( BFS )

BFS... -------------------------------------------------------------------------------------------- #include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #include<queue>   #define rep( i , n ) for( int i =…

***参考Catch That Cow（BFS）

Catch That Cow Time Limit : 4000/2000ms (Java/Other)   Memory Limit : 131072/65536K (Java/Other) Total Submission(s) : 67   Accepted Submission(s) : 22 Problem Description Farmer John has been informed of the location of a fugitive cow and wants to c…

poj3278 Catch That Cow(简单的一维bfs)

http://poj.org/problem?id=3278                                                                                  Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 47010   Accepted: 14766 Description Farmer John has been infor…