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start [2011/05/10 11:27]
kel 		start [2013/02/18 23:13]
queenie1
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-Multiple Choices Algorithm - by Mark Kelly+What exactly is the African mango meltdown? It may sound like the name of a fruit shake, drink or maybe even a dessert, but, it is something entirely different. The African mango meltdown is a diet supplement made from the extract of the seeds of the native mango of Africa. ​
  
-Another in the Fun with Algorithms series+What is the African mango? ​
  
-Stuff Pty Ltd sells stuff. The unit cost of the stuff varies according ​to the quantity ordered. Customers can order any number ​of items.  Stuff Pty Ltd use this scale: +This particular fruit grows on the Irvingia Gabonensis tree, which can only be found in Cameroon, West Africa. The African mango, otherwise known as the bush mango, is completely different from other kinds of mango because ​of the rare seed it produces, which natives refer to as “Dikka Nuts”. This fruit has become popular not only in Africa, but worldwide as well, because of its capability of losing weight in people. The natives also eat the fruit for other medicinal purposes. The African mango that is used worldwide is only available in the form of a supplement and not the actual fruit itself, but the supplement is still made from the actual fruit. 
-1-9 items = $100 each +
-10-19 items = $97 each +
-20-29 items = $92 each +
-30-39 items = $88 each +
-40-49 items = $85 each +
-50 or more = $82 each+
  
-Task: using pseudocode, create an algorithm to calculate the unit cost of the items at different quantities. Then calculate a total cost with 10% GST added. ​  +How does the African mango meltdown work? 
-Convert the pseudocode into code. +
-Create test data to fully test all aspects of the solution’s functionality. +
-Note:  Input data need not be validated, and the interface can be very basic. +
-  +
-Sample VB2010 solution +
-Public Class Form1 +
-    ' Multiple options algorithm +
-    ' by M.Kelly 10 May 2011 +
-    ' Version 1.0 +
-    ' To Do Next: nil +
- +
-    Private Sub btnCalc_Click(ByVal sender As System.Object,​ ByVal e As System.EventArgs) Handles btnCalc.Click +
-        Dim Qty As Integer = CInt(txtQty.Text) +
-        Dim inctax As Single = 0  '​declare and initialise in one hit +
-        ' deliberately lacks validation of qty +
-        Select Case Qty +
-            Case 1 To 9 +
-                lblCostper.Text = 100 +
-            Case 10 To 19 +
-                lblCostper.Text = 97 +
-            Case 20 To 29 +
-                lblCostper.Text = 92 +
-            Case 30 To 39 +
-                lblCostper.Text = 88 +
-            Case 40 To 49 +
-                lblCostper.Text = 85 +
-            Case Else +
-                lblCostper.Text = 82 +
-        End Select +
- +
-        lblSubtotal.Text = Qty * CInt(lblCostper.Text) ​ 'using labels for output +
- +
-        '​inctax is here as a sample use of variables for calculations and  +
-        'using labels just for display purposes. +
-        'Using variables mean less converting back & forth between text and number. +
- +
-        inctax = CInt(lblSubtotal.Text) * 1.1           '​add GST   +
-        'The final total is nicely formatted currency just to show how it's done. +
-        'Nice formatting is not needed in U3O2. +
-        lblIncTax.Text = Format(inctax,​ "​$#,####​.#​0"​) +
-    End Sub +
- +
-     +
-    Private Sub Button1_Click(ByVal sender As System.Object,​ ByVal e As System.EventArgs) Handles Button1.Click +
-        End +
-    End Sub +
- +
-End Class +
- +
-  +
- +
----- +
- +
-Sample output +
-Perhaps more decorative that it needs to be for U3O2, but I can’t abide messy interfaces. +
-  +
-<​can'​t insert image!>​ +
- +
-:-( +
- +
- +
---------------------------------------------------------------------------------------------- +
- +
-Fun with Algorithms - Mark Kelly +
- +
-Use flow charts or N-S charts to elegantly solve the following algorithms. ​ Some are harder than others... ​ Try actually coding it after doing the brainwork. +
--- +
-Round any decimal number UP to the next highest multiple of 0.25. +
--- +
-Convert any Roman number to decimal (e.g. MCMLXIX to 1969) - and/or vice versa +
--- +
-Convert any binary number to decimal. +
--- +
-Find the lowest (or greatest) common denominator of 2 integers (or report that there is no LCD or GCD). +
--- +
-List prime numbers up to 100 +
--- +
-Simulate the display of a single-digit liquid crystal display  +
-Assume there are 7 LCD bars like this +
- _ +
-|_| +
-|_| +
- +
-Feed it any numeral or alphabetic character ​ in hexadecimal range (0 to F) and it should turn on the right bars.  (Efficiency is the key requirement here!) +
--- +
-Given a price including 10% GST, give the ex-tax price and the tax component, e.g. $11 inc = $10 ex + $1 GST. +
--- +
-Create a virtual deck of cards encoded as numbers 1 to 52.  Given any number from 1 to 52, the algorithm should return the suit and rank represented by the card. +
--- +
-Create an algorithm to shuffle the virtual deck of cards  +
--- +
-Create an algorithm to play naughts and crosses - it should be unbeatable if the algorithm plays first. +
--- +
-Given an number of dollars, calculate what notes or coins need to be given as change from $100.  e.g. $67 = 1 x $20, 1 x $10, 1 x $2, 1 x $1. +
--- +
-An electrical company is developing a new main-powered sensorlight with the following requirements:​ +
-• It turns on its LED light for a predetermined time (e.g. 60 seconds) after sensing movement with its passive infrared (PIR) detector. +
-• It ​does not turn the light on if its light detector senses that the room is already well illuminated (e.g. during the day) +
-• While its light is on, any further movement detection resets the timer back to its starting value and the countdown starts again. +
-Convert your algorithm into a working simulation of the light. ​ You will need to simulate: +
-• The day/night sensor (e.g. with radio buttons) +
-• The movement sensor (e.g. with a mouse click or keypress) +
-• The LED light (e.g. with a shape changing its colour) +
-Show the value of the countdown time onscreen to verify its behaviour. +
- +
------------------------------------------------------------------------------------------------+
  
 +No, the African mango meltdown doesn’t have any side effects because it is a 100% natural product, therefore, usually, it is free of any negative side effects. However, if you have been advised by your doctor to avoid stimulants, then you should not take this particular supplement because it contains stimulants, such as caffeine. It is always best to consult first with your doctor before taking any kind of diet or weight loss supplement, so you know if it is good for your body or not. Don’t just rely on the product’s reviews because everyone’s body is structured and wired differently,​ therefore, what may be good for others may not have the same effect on you. It is also required to consult your doctor before taking any supplements or following any diet or weight loss programs if you are currently taking any kinds of medication, whether it is OTC or prescription medications,​ because this particular weight loss supplement may not go well with the medications you are taking, which will result in negative side effects. ​
  
 +Many studies have shown that this special natural supplement is very effective in losing weight in people. Some people have even stated that the African mango meltdown is the “best natural fat-loss remedy”. However, this supplement is quite heavy on the wallet in terms of price and cost, but, it may be worth your money if it is going to live up to its promise, therefore, being effective in losing weight, satisfying you in the long run.
  
 +There is a lot of talk going on these days about the fresh <A HREF="​http://​www.africanmangoplus.biz/​|african mango plus</​A>​. These mangoes are said to be the secret to weight loss, which is the major concern of many people in the 21st century. Losing those excess pounds is almost impossible for so many people. This problem has led many companies to invent weight loss products, many of which do not work. However, there is another product in the market, and this time, it comes from Africa. While the mango from Cameroon is hailed for its weight loss benefits, some are asking if it brings about side effects in consumers.

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