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Find the greatest product of five consecutive digits in the 1000-digit number

Find the greatest product of five consecutive digits in the 1000-digit number.

73167176531330624919225119674426574742355349194934
96983520312774506326239578318016984801869478851843
85861560789112949495459501737958331952853208805511
12540698747158523863050715693290963295227443043557
66896648950445244523161731856403098711121722383113
62229893423380308135336276614282806444486645238749
30358907296290491560440772390713810515859307960866
70172427121883998797908792274921901699720888093776
65727333001053367881220235421809751254540594752243
52584907711670556013604839586446706324415722155397
53697817977846174064955149290862569321978468622482
83972241375657056057490261407972968652414535100474
82166370484403199890008895243450658541227588666881
16427171479924442928230863465674813919123162824586
17866458359124566529476545682848912883142607690042
24219022671055626321111109370544217506941658960408
07198403850962455444362981230987879927244284909188
84580156166097919133875499200524063689912560717606
05886116467109405077541002256983155200055935729725
71636269561882670428252483600823257530420752963450

Solution 1

Add all the natural numbers below one thousand that are multiples of 3 or 5

Quote from Project Euler website:

Here are some of my PHP based solutions:

Solution 1a (minimised)

Solution 1b (beautified)

Solution 2 (minimised)(faster)

How to become a Freelance Writer using a blog

One of the best ways to become a freelance writer is to start a weblog, or blog for short, because it is very easy to get started and does not cost anything. You can set up your blog in ten minutes flat at http://blogger.com or one of the other providers free of charge.

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As a professional blogger, it is important that you to pay close attention to how you present yourself in your blog. There are hundreds of thousands of blogs out there, with more being set up every day. It is more than likely that there are already several hundred well established blogs that are related to the theme of your blog and aimed at a similar niche market. It is therefore vital that the look and style of your blog appeals to your potential readership. If people find your blog difficult to relate to and have trouble reading it, they’ll swiftly move on never to be seen again.

Here are a few tips to make your blog more user-friendly and help you gain readers who will eagerly return to your blog again and again.

First, pay close attention to the format of your blog. Remember to KISS: “Keep It Sweet and Simple”! Visitors to your blog want to understand how to navigate their way through it right from the start. Most blogging platforms have similar formats, with links on the left or right margin, and posts listed with the most recent at the top. Make sure you use the links wisely. Only put links up that are truly related to the topic of your blog. The point is to give your readers additional information on your topic. Again, the KISS rule applies: “Keep It Short and Simple”!! There is no sense in overwhelming your readers with a mass of links to other sites; they will only click away from your blog more quickly and most likely not return again.

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By following these guidelines you will keep your blog readable and interesting and that will be attractive to your visitors. The more visitors you get, the more your blog will grow in importance, and that in turn will enable you to get a profitable return from your blogging activities. Just make sure you present yourself in a professional way and keep your readers coming back for more new content each day. Within a short space of time you will have be running a profitable blog and will be ready to move on to create another, and another, and another.
By David Hurley

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