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测试中文是否可用

This is my first post.

Test inline code print("hello world")

下面主要介绍模型定义 $\mathcal{G} = (\mathcal{V},\mathcal{E},\mathcal{R})$ $$ \tilde{X} = {x_1, x_2, …, x_3} $$

$$ E = mc^2 $$

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# include<iostream>
# include<cstdio>

int main() {
  printf("Hello world\n");
}

Header 2 🧑‍🚀

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Header 3 🎇

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