迷宫求解
#include <iostream>
#include <vector>
#include <stack>
#include <string>
#include <sstream>
#include <iterator>
using namespace std;
struct PathUnit
{
int x;
int y;
int direct;
};
class MyMaze
{
vector<vector<int> >vecMaze;
vector<vector<int> >vecMark;
public:
MyMaze(int m,int n):vecMaze(m+2,vector<int>(n+2)),vecMark(m+2,vector<int>(n+2))
{
for(int i = 0; i < m+2; i++)
{
fill(vecMaze[i].begin(),vecMaze[i].end(),1);
}
}
void InitMaze(string strMaze)
{
cout<<vecMaze.size()<<" "<<vecMaze[0].size()<<endl;
istringstream in(strMaze);
for(int i = 1; i < vecMaze.size(); i++)
{
for(int j = 1; j < vecMaze[0].size()-1; j++)
{
in>>vecMaze[i][j];
}
}
}
void ShowMaze()
{
for(int i = 0; i < vecMaze.size(); i++)
{
copy(vecMaze[i].begin(),vecMaze[i].end(),ostream_iterator<int>(cout,"\t"));
cout<<endl;
}
}
void GetNextPath(const PathUnit &cur,PathUnit &next)
{
next = cur;
next.direct = 0;
switch(cur.direct)
{
case 0:
next.x+=1;break;
case 1:
next.y+=1;break;
case 2:
next.x-=1;break;
case 3:
next.y-=1;break;
}
}
bool GetOuter(const PathUnit&u)
{
int out_x = vecMaze[0].size()-2;
int out_y = vecMark.size()-2;
bool bRet = ((u.x==out_x&&u.y==out_y)?true:false);
return bRet;
}
void GetPath()
{
stack<PathUnit>st;
PathUnit unit;
unit.x=1;
unit.y=1;
unit.direct=0;
st.push(unit);
bool bOver = false;
while(!st.empty())
{
PathUnit cur=st.top();
st.pop();
PathUnit next;
while(cur.direct<=3)
{
GetNextPath(cur,next);
if(GetOuter(next))//横6竖6
{
st.push(cur);
st.push(next);
bOver = true;
break;
}
if(!vecMaze[next.y][next.x]&&!vecMark[next.y][next.x])
{
vecMark[next.y][next.x] = 1;
st.push(cur);
cur= next;
}
else{
cur.direct++;
}
}www.zzzyk.com
if(bOver)
break;
}
if(bOver)
{
while(!st.empty())
{
PathUnit&u = st.top();
补充:软件开发 , C语言 ,