charlie's blog

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Hello world!Hello world!Hello world! 123456789101112#include <iostream>#include <cstdio>#include <cstring>#include <algorithm>using namespace std;int main(void){ int a,b; scanf("%d%d",&a,&b); printf("%d\n",a+b); return 0;} $$\frac{\partial u}{\partial t} = h^2 \left( \frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} + \frac{\partial^2 u}{\partial z^2}\right)$$

Vercel 比 CloudFlare（另一家 CF ）快多了，爸爸再也不用怕打 CF 网卡啦～