my first blog

Congratulations for my first blog on github!!!

Thanks to github and hexo.

Then I probably test some function on this page.

Cpp code

#include<bits/stdc++.h>
using namespace std;
int main()
{
	printf("Hello, world.\n");
	return 0;
}

link

more markdown rules

fomular

Fibonacci comes like this:

$$F(n)=F(n-1)+F(n-2)$$

Euler function:

$$n = \sum_{d|n} \phi (d)$$