diff options
Diffstat (limited to 'challenge-123/abigail/java/ch-2.java')
| -rw-r--r-- | challenge-123/abigail/java/ch-2.java | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/challenge-123/abigail/java/ch-2.java b/challenge-123/abigail/java/ch-2.java index 8d13bcf8bf..24f7dbe9a9 100644 --- a/challenge-123/abigail/java/ch-2.java +++ b/challenge-123/abigail/java/ch-2.java @@ -9,6 +9,9 @@ import java.util.*; public class ch2 { + static int dist (int x1, int y1, int x2, int y2) { + return (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2); + } public static void main (String [] args) { Scanner scanner = new Scanner (System . in); while (scanner . hasNext ()) { @@ -21,15 +24,11 @@ public class ch2 { int x4 = scanner . nextInt (); int y4 = scanner . nextInt (); - int e1 = (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2); - int e2 = (x2 - x3) * (x2 - x3) + (y2 - y3) * (y2 - y3); - int e3 = (x3 - x4) * (x3 - x4) + (y3 - y4) * (y3 - y4); - int e4 = (x4 - x1) * (x4 - x1) + (y4 - y1) * (y4 - y1); - int d1 = (x1 - x3) * (x1 - x3) + (y1 - y3) * (y1 - y3); - int d2 = (x2 - x4) * (x2 - x4) + (y2 - y4) * (y2 - y4); - - System . out . println (e1 == e2 && e2 == e3 && - e3 == e4 && d1 == d2 ? 1 : 0); + System . out . println ( + dist (x1, y1, x2, y2) == dist (x2, y2, x3, y3) && + dist (x2, y2, x3, y3) == dist (x3, y3, x4, y4) && + dist (x3, y3, x4, y4) == dist (x4, y4, x1, y1) && + dist (x1, y1, x3, y3) == dist (x2, y2, x4, y4) ? 1 : 0); } } } |