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Unable to parse markup [type=CF_HTML]
P.S. Thanks to ABC
Testing
Unable to parse markup [type=CF_TEX]
below.EDIT1: can anybody help me with how to make the
or the
symbol look bigger? thanks in advance!
EDIT2: believe it or not, i did not just type the last equation randomly! it is actually true!! if u want the proof, u can just ask me and i will give it to u! :D
Give me the proof.
There is a good video about this sum:
Fefer_Ivan, can u tell me how to embed videos to a CF comment (like u have done above)?
http://www.quora.com/Mathematics/Theoretically-speaking-how-can-the-sum-of-all-positive-integers-be-1-12 nope
http://www.quora.com/Mathematics/Which-are-the-coolest-mathematical-proofs-youve-ever-come-across/answer/Varun-Nitish
Try using \displaystyle.
\displaystyle \sum_{i=1}^n i = \frac{n(n+1)}2thanks :)
a+b=c
22 ≠ 8
Хоть что-то нормальное сказал
Кузяблик, ты когда в контестах участвовать будешь?
Тамбовский волк тебе кузяблик
Молор, к успеху идешь. Вот еще достижение современной математики:
wow, that's very cool! :D
▲
▲ ▲
Just for test.
I tried google but found only this post :-(
How to use latex on CodeForces?
Just enable math mode by dollar signs, like this:
Thanks for your reply, I'll check later (proxy is blocking pastebin in my current network).
edit: understood, to add dollar sign at the beginning and at the end, like math tag on wikipedia, easy as that, thanks (I found there have to be space before the dollar)
2<<2 = 8