Commit 050c398

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Chapter 05 section 08 codes udpated.

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+14

-10

lines changed

+14

-10

lines changed

Lines changed: 8 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -35,23 +35,23 @@ private void run(){`
`35`	`35`	`LinkedList<Position> queue = new LinkedList<Position>();`
`36`	`36`	`Position entrance = new Position(data.getEntranceX(), data.getEntranceY());`
`37`	`37`	`queue.addLast(entrance);`
`38`		`- data.visited[entrance.x][entrance.y] = true;`
	`38`	`+ data.visited[entrance.getX()][entrance.getY()] = true;`
`39`	`39`
`40`	`40`	`boolean isSolved = false;`
`41`	`41`
`42`	`42`	`while(queue.size() != 0){`
`43`		`- Position curPos = queue.removeFirst();`
`44`		`- setData(curPos.x, curPos.y, true);`
	`43`	`+ Position curPos = queue.pop();`
	`44`	`+ setData(curPos.getX(), curPos.getY(), true);`
`45`	`45`
`46`		`- if(curPos.x == data.getExitX() && curPos.y == data.getExitY()){`
	`46`	`+ if(curPos.getX() == data.getExitX() && curPos.getY() == data.getExitY()){`
`47`	`47`	`isSolved = true;`
`48`	`48`	`findPath(curPos);`
`49`	`49`	`break;`
`50`	`50`	`}`
`51`	`51`
`52`	`52`	`for(int i = 0 ; i < 4 ; i ++){`
`53`		`- int newX = curPos.x + d[i][0];`
`54`		`- int newY = curPos.y + d[i][1];`
	`53`	`+ int newX = curPos.getX() + d[i][0];`
	`54`	`+ int newY = curPos.getY() + d[i][1];`
`55`	`55`
`56`	`56`	`if(data.inArea(newX, newY)`
`57`	`57`	`&& !data.visited[newX][newY]`
`@@ -73,8 +73,8 @@ private void findPath(Position des){`
`73`	`73`
`74`	`74`	`Position cur = des;`
`75`	`75`	`while(cur != null){`
`76`		`- data.result[cur.x][cur.y] = true;`
`77`		`- cur = cur.prev;`
	`76`	`+ data.result[cur.getX()][cur.getY()] = true;`
	`77`	`+ cur = cur.getPrev();`
`78`	`78`	`}`
`79`	`79`	`}`
`80`	`80`

Lines changed: 6 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`public class Position {`
`2`	`2`
`3`		`- public int x, y;`
`4`		`- public Position prev;`
	`3`	`+ private int x, y;`
	`4`	`+ private Position prev;`
`5`	`5`
`6`	`6`	`public Position(int x, int y, Position prev){`
`7`	`7`	`this.x = x;`
`@@ -12,4 +12,8 @@ public Position(int x, int y, Position prev){`
`12`	`12`	`public Position(int x, int y){`
`13`	`13`	`this(x, y, null);`
`14`	`14`	`}`
	`15`	`+`
	`16`	`+ public int getX(){return x;}`
	`17`	`+ public int getY(){return y;}`
	`18`	`+ public Position getPrev(){return prev;}`
`15`	`19`	`}`

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