tasks a-s

Task/Probabilistic-choice/JavaScript/probabilistic-choice.js

@@ -0,0 +1,32 @@
+var probabilities = {
+    aleph:  1/5.0,
+    beth:   1/6.0,
+    gimel:  1/7.0,
+    daleth: 1/8.0,
+    he:     1/9.0,
+    waw:    1/10.0,
+    zayin:  1/11.0,
+    heth:   1759/27720
+};
+
+var sum = 0;
+var iterations = 1000000;
+var cumulative = {};
+var randomly = {};
+for (var name in probabilities) {
+    sum += probabilities[name];
+    cumulative[name] = sum;
+    randomly[name] = 0;
+}
+for (var i = 0; i < iterations; i++) {
+    var r = Math.random();
+    for (var name in cumulative) {
+        if (r <= cumulative[name]) {
+            randomly[name]++;
+            break;
+        }
+    }
+}
+for (var name in probabilities)
+    // using WSH
+    WScript.Echo(name + "\t" + probabilities[name] + "\t" + randomly[name]/iterations);