First-blog

做个小小的尝试

typedef struct N{
    int a;
    struct N* lnext;
}List

😭 🐳

$x_1^2 + x_2^2 \geq 2x_1x_2$

$(x_1^3 + x_2^3)\times(\dfrac{1}{x} +\dfrac{1}{y}) \geq (x_1 + x_2)^2$

$ \int_1n{x2}dx $

费时费力，终于搞好了