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开发学院软件开发C++ 本人写的迷宫,不过知道这样才能输出所有的路径 阅读

本人写的迷宫,不过知道这样才能输出所有的路径

 2008-03-08 12:29:39 来源:WEB开发网 闂傚倸鍊风欢姘缚瑜嶈灋闁圭虎鍠栫粻顖炴煥閻曞倹瀚�闂傚倸鍊风粈渚€骞夐敓鐘插瀭闁汇垹鐏氬畷鏌ユ煙閹殿喖顣奸柛搴$У閵囧嫰骞掗幋婵冨亾閻㈢ǹ纾婚柟鐐灱濡插牊绻涢崱妤冃℃繛宀婁簽缁辨捇宕掑鎵佹瀸闂佺懓鍤栭幏锟�濠电姷鏁告慨顓㈠箯閸愵喖宸濇い鎾寸箘閹规洟姊绘笟鈧ḿ褍煤閵堝悿娲Ω閳轰胶鍔﹀銈嗗笂閼冲爼鍩婇弴銏$厪闁搞儮鏅涙禒褏绱掓潏鈺佷槐闁轰焦鎹囬弫鎾绘晸閿燂拷闂傚倸鍊风欢姘缚瑜嶈灋闁圭虎鍠栫粻顖炴煥閻曞倹瀚�  闂傚倸鍊烽懗鑸电仚缂備胶绮〃鍛村煝瀹ュ鍗抽柕蹇曞У閻庮剟姊虹紒妯哄闁圭⒈鍋嗛惀顏囶樄闁哄本娲樼换婵婄疀閺囩姷鐛ラ梻浣哄帶婢瑰﹥绂嶅⿰鍫氣偓鏃堝礃椤忎礁浜鹃柨婵嗛婢ь喖霉閻樻瑥瀚粻楣冩煕椤愩倕鏋庨柣蹇嬪劜閵囧嫰寮村Ο鍝勫Е濡炪們鍨洪悷鈺呭箖閳╁啯鍎熼柕鍥у簻閹凤拷
核心提示:本人写的迷宫,不过知道这样才能输出所有的路径,望各高手刺教#include<stdio.h>#include<conio.h>#define M 5#define N 5strUCt queue{ int x; int y; int PRe;}sq[200];int maze[M+2][N+2]
本人写的迷宫,不过知道这样才能输出所有的路径,望各高手刺教 #include<stdio.h>
#include<conio.h>
#define M 5
#define N 5
strUCt queue
{
 int x;
 int y;
 int PRe;
}sq[200];
int maze[M+2][N+2];
typedef struct          
{ int dx;
  int dy;
}moved;
moved move[8];
typedef struct
{
 int x;
 int y;
}ROAD;
ROAD road[M*N];
void inimove(moved move[])    /*initialize move[]*/
{
  move[0].dx=0;move[0].dy=-1;
  move[1].dx=1;move[1].dy=-1;
  move[2].dx=1;move[2].dy=0;
  move[3].dx=1;move[3].dy=1;
  move[4].dx=0;move[4].dy=1;
  move[5].dx=-1;move[5].dy=1;
  move[6].dx=-1;move[6].dy=0;
  move[7].dx=-1;move[7].dy=-1;
}
void input(int maze[M+2][N+2])
{
 int i,j;char ch;
 for(i=0;i<=M;i++)               /*set the wall outside the maze*/ 
  {
  maze[i][0]=1;
  maze[i][N+1]=1;
  }
 for(j=0;j<=N+1;j++)              /*set the wall outside the maze*/
  {
  maze[0][j]=maze[M+1][j]=1;
  }
 for(i=1;i<=M;i++)               /*input the data of maze*/
   for(j=1;j<=N;j++)
    {
    ch=getch();
    maze[i][j]=(int)(ch-48);
    printf("%3d",ch-48);
    printf(" ");
    if(!(j%N))
     printf(" ");
    }
} void output(int rear)    /*output the path*/
{
 int i,j,k;
 for(j=0,k=rear;(k!=0)&&(j<M*N);j++)
  {
  road[j].x=sq[k].x;
  road[j].y=sq[k].y;
  k=sq[k].pre;
  }
 
 for(i=1;i<=M;i++)
  for(j=1;j<=N;j++)
   {
   if(maze[i][j]==-1)
   {
    for(k=0;k<M*N;k++)
     {
      if((i==road[k].x)&&(j==road[k].y))
      maze[i][j]=8;    /*use '8'to mark the path*/
     }
    if(maze[i][j]==-1)
     maze[i][j]=0;     
   }
   printf("%3d",maze[i][j]);
   printf(" ");
   if(j%N==0) 
     printf(" ");
   } 
}
void path()       /* seek the path*/
{
 int i,j,x,y,v,front,rear,find;
 sq[1].x=1;sq[1].y=1;sq[1].pre=0;
 find=0;
 front=1;rear=1;maze[1][1]=-1;
 while(front<=rear&&!find)
 {
  x=sq[front].x;
  y=sq[front].y;
  for(v=0;v<=7;v++)
  {
   i=x+move[v].dx;
   j=y+move[v].dy;
   if(!maze[i][j])
   {
    rear++;
    sq[rear].x=i;
    sq[rear].y=j;
    sq[rear].pre=front;
    maze[i][j]=-1;
   }
   if(i==M&&j==N)
   {
    printf("One of the pathes is:(the path is marked by 8) ");
    output(rear);
    find=1;
   } 
 
  }
  front++;
  }
 if(!find)
 printf("There is no path! ");
} int check(int maze[M+2][N+2])    /*check whether the data inputed is right*/
{
 int i,j,m,n;  
 for(i=1;i<=M;i++)
  for(j=1;j<=N;j++)
   {
   if((maze[i][j]!=1)&&(maze[i][j]!=0))
    {
     return(0);
    }
   }
  return(1);
}
main()
{
 int i,j;char ch;
 printf("The size of the maze is %d*%d. ",M,N);
 printf("Input your maze[][](the number you input must be 1 or 0): ");/*input the data of the maze*/
 input(maze);
 printf("input completely. ");
 while(maze[1][1]==1maze[M][N]==1check(maze)==0)   /*check whether the data inputed is right .*/
  {                           /*If the data is wrong,please input again.*/
   printf("Warning:maze[][] you input is wrong! ");
   printf("Maze[1][1] and maze[M][N] must both equal 0. ");
   printf("Every item of maze[][]must be 1 or 0. ");
   printf("Input your maze[][] again: ");
   input(maze);
   printf("input completely. "); 
  }
 printf("Press any key to display the path. ");
 getch();
 inimove(move);
 path();
 printf("press ENTER to end the program: ");
 scanf("%c",&ch);
}
 

Tags:本人 迷宫 不过

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