#abc234a. [abc234_a]Weird Function

[abc234_a]Weird Function

已知函数 f(x)=x2+2x+3f(x) = x^2 + 2x + 3,给定 ttf(f(f(t)+t+f(f(t)))f(f(f(t)+t+f(f(t)))

Translated by ShanCreeper.