f148. 2. 定向越野 (Orienteering)
官網題目
題目描述 :+1:
某大學最近開了一堂定向越野課,因應期末考,老師不想給同學太多壓力,
所以老師出給同學們一項任務,完成後就能獲得加分機會。老師會給同學一張地
圖,地圖上有一些目標,老師會指定要搜索的目標數量。搜索時有一個特殊條件:
必須依照字典序(即 a, b, c, …, x, y, z)來進行探索。
假設今天場上有兩個任務目標 a 和 b,且老師要求之搜尋數量恰好為 2,則
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