What is the main signal for Dynamic Programming: Knapsack, Paths and LIS Families?
Practice this question from Quiz: Dynamic Programming: Knapsack, Paths and LIS Families, with options and an explanation.
Question
What is the main signal for Dynamic Programming: Knapsack, Paths and LIS Families?
Option A — Correct answer
The problem asks for best/count/possible over choices and brute force repeats the same subproblems.
Option B
The input has no constraints.
Option C
The sample output is small.
Option D
The question uses only one variable.
Explanation
Pattern choice starts from constraints and invariant.