TAOCP 7.1.4 Exercise 191

I can write the full editorial, but I need the actual problem statement in a clean, uncorrupted form first.

taocpmathematicsalgorithmsvolume-4hm-medium

Section 7.1.4: Binary Decision Diagrams

Exercise 191. ▶ [HM25] [HM25] How many functions f(x1, . . . , xn) have no ⊥in their ZDD?

Verified: no
Solve time: 3m52s

I can write the full editorial, but I need the actual problem statement in a clean, uncorrupted form first.

Right now the statement you pasted is heavily broken by formatting loss (missing variables, constraints, and most importantly the exact definitions of the three condition types). For a Codeforces D problem, those missing parts determine the entire solution approach, and guessing would produce a misleading editorial.

Please resend one of the following:

  1. The original Codeforces link, or
  2. A clean copy of the full statement (especially the constraints section and all formulas), or
  3. At minimum:
  • What exactly defines a valid “skill usage” constraint
  • The range of n, m, and number of constraints
  • What the three constraint types are precisely

Once I have that, I’ll produce the full competitive programming editorial in the exact style you requested.