RogerBW solutions for challenge no. 348

2 files changed, 107 insertions, 0 deletions

diff --git a/challenge-348/roger-bell-west/javascript/ch-1.js b/challenge-348/roger-bell-west/javascript/ch-1.js
new file mode 100755
index 0000000000..3a4f6ce6cd
--- /dev/null
+++ b/challenge-348/roger-bell-west/javascript/ch-1.js
@@ -0,0 +1,53 @@
+#! /usr/bin/node
+
+"use strict"
+
+function stringalike(a) {
+    if (a.length % 2 == 1) {
+        return false;
+    }
+    let vt = 0;
+    let mode = 1;
+    let av = false;
+    a.toLowerCase().split("").forEach((c, i) => {
+        if (i * 2 == a.length) {
+            mode = -1;
+        }
+        if (c.match(/[aeiou]/)) {
+            av = true;
+            vt += mode;
+        }
+    });
+    return av && (vt == 0);
+}
+
+if (!stringalike('textbook')) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (stringalike('book')) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (stringalike('AbCdEfGh')) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (!stringalike('rhythmmyth')) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (!stringalike('UmpireeAudio')) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");
diff --git a/challenge-348/roger-bell-west/javascript/ch-2.js b/challenge-348/roger-bell-west/javascript/ch-2.js
new file mode 100755
index 0000000000..22d55a17c9
--- /dev/null
+++ b/challenge-348/roger-bell-west/javascript/ch-2.js
@@ -0,0 +1,54 @@
+#! /usr/bin/node
+
+"use strict"
+
+function hm2m(a) {
+    const p = a.match(/(\d+):(\d+)/);
+    return parseInt(p[1]) * 60 + parseInt(p[2]);
+}
+
+function converttime(ssrc, ttgt) {
+    const src = hm2m(ssrc);
+    let tgt = hm2m(ttgt);
+    if (tgt < src) {
+        tgt += 24 * 60;
+    }
+    let delta = tgt - src;
+    let oc = 0;
+    for (let op of [60, 15, 5, 1]) {
+        oc += Math.floor(delta / op);
+        delta %= op;
+    }
+    return oc;
+}
+
+if (converttime('02:30', '02:45') == 1) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (converttime('11:55', '12:15') == 2) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (converttime('09:00', '13:00') == 4) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (converttime('23:45', '00:30') == 3) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write(" ");
+if (converttime('14:20', '15:25') == 2) {
+  process.stdout.write("Pass");
+} else {
+  process.stdout.write("FAIL");
+}
+process.stdout.write("\n");