??? ElemType friendoperator >>(ElemType source, int direct) {

// 對于 L ， R ， U ， D 四個方向作出的移動

?????? ElemType result = source;

?????? int i = result.locate0();

?????? switch (direct) {

?????????? case U: if(i < 6){

result.maze[i] = result.maze[i+3];

result.maze[i+3] = 0;

} break;

?????????? case D: if(i > 2){

result.maze[i] = result.maze[i-3];

result.maze[i-3] = 0;

} break;

?????????? case L: if(i%3 != 2) {

result.maze[i] = result.maze[i+1];

result.maze[i+1] = 0;

} break;

?????????? case R: if(i%3 != 0) {

result.maze[i] = result.maze[i-1];

result.maze[i-1] = 0;

}

?????? }

?????? result.depth++;

?????? return result;

??? }

?

?????? for ( int i = 0; i < 9; i++)

?????????? if (maze[i] == 0)

????????????? return i;

?????? return -1;

??? }

??? bool isSuccess() {

?????? return maze[0]==1 && maze[1]==2 && maze[2]==3 &&

?????????????? maze[3]==8 && maze[4]==0 && maze[5]==4 &&

?????????? ?? maze[6]==7 && maze[7]==6 && maze[8]==5;

??? }

??? // 下面是評價函數

??? int evaluate() { return depth + numWrong(); }

??? void disrupt() {????? // 打亂初始矩陣

??????? clrscr();

??????? gotoxy(7,3);

?? ?????cout << "Disrypt the maze as you wish, press enter to see the AMAZING thing!" ;

??????? this ->print();

??????? int input;

??????? while ((input=_getch()) != ENTER) {

??????????? switch (input) {

??????????????? case UP:??? * this = * this >> U; this ->print(); break ;

??????????????? case DOWN:? * this = * this >> D; this ->print(); break ;

??????????????? case LEFT:? * this = * this >> L; this ->print(); break ;

??????????????? case RIGHT: * this = * this >> R; this ->print();

??????????? }

??????? }

??? }

??? void print() {

??????? for ( int i = 0; i < 3; i++) {

??????????? for ( int j = 0; j < 3; j++) {

??????????????? gotoxy(36+j*3, 8+i);

??????????????? if (maze[i*3+j]!=0) cout << '[' << maze[i*3+j] << ']' ;

??????????????? else cout << "?? " ;

??????????? } cout << endl;

?????? }

??????? Sleep(200);

??? }

};

?

void print(ElemType &e) { e.print(); }

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ElemType null(0,0,0,0,0,0,0,0,0); // 每個位置都是 0 ，這是不存在的

?

#include "dso.h" ?

typedef ElemType Status;

?