窗戶問題 - 拼圖
By Candice
at 2017-03-30T11:43
at 2017-03-30T11:43
Table of Contents
第i層樓一共有i個窗戶如下圖:
..........
........
窗窗窗
窗窗
窗
窗戶的開關是有規則的,
若兩相鄰的窗戶同為開或同為關,則他們下面的窗戶必為關。
若兩相鄰的窗戶為一開一關,則他們下面的窗戶必為開。
如圖:
關開關
開開
關
Q:已知第1024樓有513個窗戶是打開的,請問一樓的窗戶是開還關?
--
..........
........
窗窗窗
窗窗
窗
窗戶的開關是有規則的,
若兩相鄰的窗戶同為開或同為關,則他們下面的窗戶必為關。
若兩相鄰的窗戶為一開一關,則他們下面的窗戶必為開。
如圖:
關開關
開開
關
Q:已知第1024樓有513個窗戶是打開的,請問一樓的窗戶是開還關?
--
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