All MicroEvals
算f(4): f(x) = -x for x<0; f(x) = f(x - f(x-1))/2 for x≥0.
Create MicroEval
Header image for 算f(4): f(x) = -x for x<0; f(x) = f(x - f(x-1))/2 for x≥0.

算f(4): f(x) = -x for x<0; f(x) = f(x - f(x-1))/2 for x≥0.

Prompt

算f(4): f(x) = -x for x<0; f(x) = f(x - f(x-1))/2 for x≥0.