#programmingchallenge

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Best Coding Challenge Websites For Intermediates | Binary Code

Build your coding skills and increase speed of logical thinking by practicing on one of the best coding challenge websites that will surely help you.

[cubicprogramming]

It’s weird, sometimes when you program you delete ~100 lines of code because you realized you’re a bad programmer, your code won’t work, and you felt like destroying something beautiful

[cubicprogramming]

85 - Fibonacci

85) Fibonacci Sequence (at least 100 numbers)

Alright, so I know what you’re thinking... 6 KB for a Fibonacci implementation? Isn’t that a bit excessive? Well... Yes and no. While only about ten lines of code at the most are needed for a working Fibonacci function, the real challenge of this program was going beyond the hundredth’ Fibonacci number.

Because around the 95th number, the actual value goes beyond 2^64 -1, the largest number possible in the existing data types, I had to sort of re-invent the wheel. I used the vector data structure because it allows for a dynamic, volatile number of entries. But I wasn’t really content with using the decimal system, as that would waste significant space, so I used base-16 (hexadecimal) for addition operations, which was an incredible learning experience.

[cubicprogramming]

Challenges 70 and 80

   70) Reverse a Number Mathematically (ie 48572 => 27584)    80) Factorial

Other than the Algebra II/Pre-Calculus involved, there wasn’t much to this challenge other than knowing how doubles and logarithms worked. The recursion on the factorial was fun, though.

[cubicprogramming]

Challenge 14 - Quine

“A quine is a non-empty computer program which takes no input and produces a copy of its own source code as its only output. The standard terms for these programs in the computability theory and computer science literature are "self-replicating programs", "self-reproducing programs", and "self-copying programs". “ - From Wikipedia (https://en.wikipedia.org/wiki/Quine_(computing))

This was an interesting experiment, I guess...

CODE:

//Quine2.cpp #include int main(int argc, const char * argv[]) { // insert code here... std::string quineArray[1]; quineArray[0] = "//Quine2.cpp #include int main(int argc, const char * argv[]) { std::string quineArray[1] quineArray[0] = ""; for(int i = 0; i < quineArray[0].length; i++) {std::cout << quineArray[0][i];}return 0;"; for(int i = 0; i < quineArray[0].size(); i++) { std::cout << quineArray[0][i]; } return 0; } </div>

[cubicprogramming]

20 - FizzBuzz

Definitely one of the easier challenges, "FizzBuzz" is one of the most well known programming 'challenges' there is. If a number's divisible by 3, print "fizz" and if it's divisible by five, print 'buzz'. Else, print the number... Not really much more to say about this than "That took more time to describe than to actually program," but hey, it's one of the challenges, so here we are.

If you're on your dashboard, open this link... Trust me, it's a lot easier on the eyes:

FizzBuzz.cpp

//  FizzBuzz on 7/6/16. #include <iostream>

int main(int argc, const char * argv[]) {    for(int i = 0; i < 100; i++)    {       std::cout << i << ": ";       if(i != 0)       {           if(i %3 == 0)               std::cout << "Fizz";           if(i%5 == 0)               std::cout << "Buzz";           if(i%3 != 0 && i%5 != 0)               std::cout << i << " ";       }        std::cout<<std::endl;    }    return 0; }

Side Note: Currently trying to figure out a theme that would allow me to put my code with proper programmin syntax. If you have a suggestion, I'd love to hear it out, but worst comes to worst, I can always do the CSS myself