NeetCode #597LC-399MediumGraphsNC 250
← Back to All Problems#597 · #399 · Evaluate Division(除法求值)
📌 Problem Statement & Constraints
You are given
equations where equations[i] = [Ai, Bi] and values[i] means Ai / Bi = values[i]. Given queries, return the answer to each query Cj / Dj, or -1.0 if it cannot be determined. Constraints: 1 <= equations.length <= 20, 1 <= queries.length <= 20, variables are strings.🔒
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