change this to that in compareTo method

hrafov · web-flow · commit 59ee9db7af02 · 2021-03-30T15:38:58.000+03:00
diff --git a/Week4 - 8 Puzzle/src/Solver.java b/Week4 - 8 Puzzle/src/Solver.java
@@ -55,7 +55,7 @@ public int compareTo(SearchNode that)
             // When two search nodes have the same Manhattan priority, 
             // break ties by comparing the Manhattan distances of the two boards. 
             if (this.priority == that.priority) 
-                return this.bd.manhattan() - this.bd.manhattan();
+                return this.bd.manhattan() - that.bd.manhattan();
             else 
                 return this.priority - that.priority; 
         }

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ public int compareTo(SearchNode that)`
`55`	`55`	`// When two search nodes have the same Manhattan priority,`
`56`	`56`	`// break ties by comparing the Manhattan distances of the two boards.`
`57`	`57`	`if (this.priority == that.priority)`
`58`		`- return this.bd.manhattan() - this.bd.manhattan();`
	`58`	`+ return this.bd.manhattan() - that.bd.manhattan();`
`59`	`59`	`else`
`60`	`60`	`return this.priority - that.priority;`
`61`	`61`	`}`