TWC333

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-333/deadmarshal/java/Ch1.java b/challenge-333/deadmarshal/java/Ch1.java
new file mode 100644
index 0000000000..c426d8ccbf
--- /dev/null
+++ b/challenge-333/deadmarshal/java/Ch1.java
@@ -0,0 +1,19 @@
+public class Ch1 {
+  public static void main(String[] args) {
+    System.out.println(straight_line(new int[][]{{2, 1}, {2, 3}, {2, 5}}));
+    System.out.println(straight_line(new int[][]{{1, 4}, {3, 4}, {10, 4}}));
+    System.out.println(straight_line(new int[][]{{0, 0}, {1, 1}, {2, 3}}));
+    System.out.println(straight_line(new int[][]{{1, 1}, {1, 1}, {1, 1}}));
+    System.out.println(straight_line(new int[][]{{1000000, 1000000},
+      {2000000, 2000000}, {3000000, 3000000}}));
+  }
+
+  private static boolean straight_line(int[][] arr) {
+    int x1 = arr[0][0], y1 = arr[0][1], x2 = arr[1][0], y2 = arr[1][1];
+    for (int i = 2; i < arr.length; ++i) {
+      int x = arr[i][0], y = arr[i][1];
+      if ((x - x1) * (y2 - y1) != (y - y1) * (x2 - x1)) return false;
+    }
+    return true;
+  }
+}
\ No newline at end of file