Multiple choice

In cryptarithmetic puzzle, “no two letters have the same value”. This indicates

  1. constraints

  2. initial state

  3. goal state

  4. rules

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In constraint satisfaction problems like cryptarithmetic puzzles, rules restricting variables from sharing values represent constraints. The condition that no two distinct letters have the same digit value is a classic problem constraint.