TITLE
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$a$
$a+b$
$\frac{a}{b} $
$\sum{i=l}r i2$
$\lim{n \to\infty} (1+\frac1n)n;$
$\int_{l}^{r}f(x)\ dx$
cout << "Hello, wolrd!" << '\n';
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
cin >> a >> b ;
cout << a + b << endl ;
return 0;
}
link
似乎不支持 latex 呢 🙁