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Chapter 08 completed.

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Lines changed: 1 addition & 3 deletions

Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -66,16 +66,16 @@ public boolean inArea(int x, int y){`
`66`	`66`
`67`	`67`	`public boolean solve(){`
`68`	`68`
`69`		`- if(maxTurn <= 0)`
	`69`	`+ if(maxTurn < 0)`
`70`	`70`	`return false;`
`71`	`71`
`72`		`- return solve(newBoard(starterBoard), maxTurn);`
	`72`	`+ return solve(starterBoard, maxTurn);`
`73`	`73`	`}`
`74`	`74`
`75`		`- private static int d[][] = {{-1, 0}, {0, 1}, {0,-1}};`
	`75`	`+ private static int d[][] = {{1, 0}, {0, 1}, {0,-1}};`
`76`	`76`	`private boolean solve(Board board, int turn){`
`77`	`77`
`78`		`- if(board == null)`
	`78`	`+ if(board == null \|\| turn < 0)`
`79`	`79`	`throw new IllegalArgumentException("board can not be null in solve function!");`
`80`	`80`
`81`	`81`	`if(turn == 0)`

Lines changed: 1 addition & 3 deletions

Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -75,18 +75,18 @@ public boolean solve(){`
`75`	`75`	`long startTime = System.currentTimeMillis();`
`76`	`76`
`77`	`77`	`searchedBoards.add(starterBoard);`
`78`		`- boolean ret = solve(newBoard(starterBoard), maxTurn);`
	`78`	`+ boolean ret = solve(starterBoard, maxTurn);`
`79`	`79`
`80`	`80`	`long endTime = System.currentTimeMillis();`
`81`	`81`	`System.out.println( "Time : " + (endTime-startTime) + "ms" );`
`82`	`82`
`83`	`83`	`return ret;`
`84`	`84`	`}`
`85`	`85`
`86`		`- private static int d[][] = {{-1, 0}, {0, -1}, {0, 1}};`
	`86`	`+ private static int d[][] = {{1, 0}, {0, -1}, {0, 1}};`
`87`	`87`	`private boolean solve(Board board, int turn){`
`88`	`88`
`89`		`- if(board == null)`
	`89`	`+ if(board == null \|\| turn < 0)`
`90`	`90`	`throw new IllegalArgumentException("board can not be null in solve function!");`
`91`	`91`
`92`	`92`	`if(turn == 0)`

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