Coding Battles - Clash of Code

Coding battles are a fun way to practice coding, especially if you are learning a new language. It's also a good mental workout to keep that noggin sharp.

Clash of Code:

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[elliotwaite]

A MISTAKE I MADE IN THE VIDEO:

In clash 4 (Shortest Mode), num is strange if: x^x + x = num, and num's constraints were: 0 < num < 2^32, so to find the range of x, I needed to solve this equation: 0 < x^x + x < 2^32, but when I tried to solve it in my head, I actually solved this equation: 0 < x^2 + x < 2^32, so my upper bound for x was way too high (noob error, shame 😔). What I should have done instead was enter something like "x^x+x = 2^32" into WolframAlpha to realize that x < 9.74309. So I really only had to check against values of x in the range 1 to 9. This also means I could have removed the "if not n%x" part that was only added to make it so I didn't run into the computation time limit because I was checking so many different values. So a better solution would have been "print(any(x**x+x==n for x in range(10)))".

[ep]

i think the short code mode should be replaced by something more usefull like fastest execution time

[elliotwaite]

I should have just written "print(min(m, n))" for that first one. I went old school with that if-else statement.

[dentsudominicana]

It really worked for me after I look and try some tutorials, yours is the one that worked. Owe you a lot.

[iqmalaizatbinmohdzamri]

May I ask? For shortest mode, it is unfair as other language are presumably longer to execute a certain task such as printing, Java took multiple characters but Python only needed few. Do you acknowledge this?

[MrHelloimyassin]

made it into an arp using the default soft envelope generator and a bunch or other weird stuff I didn’t even know existed. Called it pants

[Bryan-bhcy]

that's pretty cool!
thanks for sharing

[arunverma]

good work and thank you so much, Greetings from Egypt <333

[Haloking]

idk if I just suck at coding or what I can build responsive webpage but I tried playing this game and I just suck

[peter.g]

The strange numbers solutions were...strange.
You did it correctly, but for some reason you looped to the square root of 2^32 as if the check was x^2+x=num rather than x^x. (Seems it would be enough to loop 1 to 9.)
Even stranger was that the guy you checked did exactly that - i*i+i instead of i**i+i - and got 80% score.

Or I misunderstood something.

[sixihili]

is there a mode where they force coders to code with the same language; like java vs java coders. because some languages have shorter syntax than others and thats no fair if a coder code in a shorter syntax language vs a coder with long syntax language

[MiloDC]

Would be nice if you could set which Clash modes you'll play in user settings. Fastest and reverse are fine, but for shortest mode, I just quit the clash. Pointless vs. Python and JS script kiddies, Ruby coders, et al.

Without this, the least CodinGame could do is to define aliases for common functions. I use F#, so instead of the ridiculous "System.Console.In.ReadLine" (which should be "System.Console.ReadLine" anyway), just define something like "let rl = System.Console.ReadLine". It's a lot fairer vs. stuff like "input" and "gets".

[dannyrodin]

For the life of me, i don't understand the Test1, Test2... Test5 cases. What are those for?? Either your code works, or not. Why are there 5 tests? Because of this i only get 20%, i have no clue what to do with the other 4.

[brieglhostis]

Does anyone know why some solutions don't get 100% ? What is the criters to get the maximum ?

[jsquaredm]

hello why is clash of code a scheduled event now?

[xbit_]

I'm somewhat disappointed with the shortest mode. I always thought that making shorter code is not always better, and that a good code is one that is well understood. Making code shorter by being more cryptic is bad practice.

[hendaantonio]

thanks for the info really helped alot. i rather learn about tNice tutorials than school

[Neolisk]

Shortest code puts other languages at a disadvantage, compared to Python.

[saschareisen]

Most of the challanges are made to be convenient solvable with python its often faster written and easy to find a "one line of code" solution with python. other languages ​​look bad next to it... this ist just stupid xD

[thomasmbayo]

@elliotwaite can you please mentor me to get into google?