题意:给定一个n*m的矩阵,其中不重复地填[0,n*m-1],问是否能通过有限步数将0移到右下角 n,m<=1e3 思路:结论题 当板子了 #include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; typedef pair<int,int> PII; typedef pair<l…
The Eight Puzzle, among other sliding-tile puzzles, is one of the famous problems in artificial intelligence. Along with chess, tic-tac-toe and backgammon, it has been used to study search algorithms. The Eight Puzzle can be generalized into an M × N…
M × N Puzzle Time Limit: 4000MS Memory Limit: 131072K Total Submissions: 4112 Accepted: 1140 Description The Eight Puzzle, among other sliding-tile puzzles, is one of the famous problems…
The Problem. 求解8数码问题.用最少的移动次数能使8数码还原. Best-first search.使用A*算法来解决,我们定义一个Seach Node,它是当前搜索局面的一种状态,记录了从初始到达当前状态的移动次数和上一个状态.初始化时候,当前状态移动次数为0,上一个状态为null,将其放入优先级队列,通过不断的从优先级队列中取出Seach Node去扩展下一级的状态,直到找到目标状态.对于优先级队列中优先级的定义我们可以采用:Hamming priority function 和…