1 files changed, 53 insertions, 0 deletions
diff --git a/challenge-251/roger-bell-west/javascript/ch-2.js b/challenge-251/roger-bell-west/javascript/ch-2.js
new file mode 100755
index 0000000000..94f11a4824
--- /dev/null
+++ b/challenge-251/roger-bell-west/javascript/ch-2.js
@@ -0,0 +1,53 @@
+#! /usr/bin/node
+
+"use strict"
+
+function luckynumbers (a) {
+    var maxs = new Set();
+    for (let x = 0; x < a[0].length; x++) {
+        var max = [0, 0, 0];
+        for (let y = 0; y < a.length; y++) {
+            if (a[y][x] > max[0]) {
+                max = [a[y][x], y, x];
+            }
+        }
+        maxs.add(max);
+    }
+    var mins = new Set();
+    for (let y = 0; y < a.length; y++) {
+        var min = [a[y][0], y, 0];
+        for (let x = 0; x < a[0].length; x++) {
+            if (a[y][x] < min[0]) {
+                min = [a[y][x], y, x];
+            }
+        }
+        mins.add(min);
+    }
+    for (let i of maxs) {
+        for (let j of mins) {
+            if (i[0] == j[0] && i[1] == j[1] && i[2] == j[2]) {
+                return i[0];
+            }
+        }
+    }
+    return -1;
+}
+
+if (luckynumbers([[3, 7, 9], [9, 11, 13], [15, 16, 17]]) == 15) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (luckynumbers([[1, 10, 4, 2], [9, 3, 8, 7], [15, 16, 17, 12]]) == 12) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (luckynumbers([[7, 8], [1, 2]]) == 7) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");