[離散] 遞迴
這題我想應該是用遞迴求解
但怎麼想都沒什麼頭緒 跪求各位高手幫忙><
http://i.imgur.com/wrFxC7j.jpg

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推
10/15 19:11, , 1F
10/15 19:11, 1F
→
10/15 19:11, , 2F
10/15 19:11, 2F
→
10/15 19:11, , 3F
10/15 19:11, 3F
推
10/15 19:18, , 4F
10/15 19:18, 4F
→
10/15 19:19, , 5F
10/15 19:19, 5F
推
10/15 19:30, , 6F
10/15 19:30, 6F
→
10/15 19:30, , 7F
10/15 19:30, 7F
→
10/15 19:31, , 8F
10/15 19:31, 8F
→
10/15 19:31, , 9F
10/15 19:31, 9F
→
10/15 19:34, , 10F
10/15 19:34, 10F
→
10/15 19:36, , 11F
10/15 19:36, 11F

→
10/15 19:37, , 12F
10/15 19:37, 12F
→
10/15 19:37, , 13F
10/15 19:37, 13F
→
10/15 19:37, , 14F
10/15 19:37, 14F
→
10/15 19:38, , 15F
10/15 19:38, 15F
推
10/15 20:33, , 16F
10/15 20:33, 16F
討論串 (同標題文章)