added solution for counting minutes

Kyle Maune · Kyle Maune · commit 668d1a2ea3b6 · 2014-07-14T14:31:45.000-07:00
diff --git a/Medium Difficulty/countingMinutes.js b/Medium Difficulty/countingMinutes.js
@@ -0,0 +1,42 @@
+// coderbyte solution for counting minutes
+// splashinn
+
+function lateOrNot(str) {
+  for (var i = 0; i < str.length; i++) {
+		if (str[i] === "p" || str[i] === "P") {
+			return "p";
+		} else if (str[i] === "a" || str[i] === "A") {
+			return "a";
+		}
+	}
+}
+
+
+
+
+function toMinutes(time) {
+	var arr = time.split(":");
+	if (arr[0] === "12") {
+		arr[0] = "00";
+	}
+	var min = parseInt(arr[1], 10);
+	var hours = parseInt(arr[0], 10) * 60;
+	if (lateOrNot(time) === "p") {
+		hours += 12*60;
+	}
+	return hours + min;
+}
+
+
+
+
+function countingMinutes(str) {
+	var array = str.split("-");
+	var time1 = toMinutes(array[0]);
+	var time2 = toMinutes(array[1]);
+	if (time2 < time1) {
+		return time2 + (24*60 - time1);
+	} else {
+		return time2 - time1;
+	}
+}
