一個五位數中,其相鄰的兩個數字都相差3,試問滿足這樣條件的五位數共有多少個?
Note:我已經用分析+窮舉法算出一個答案,但是不是很有把握
徵求:1. 數學的解法 2. 程式窮舉所有的結果
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推
09/27 22:57, , 1F
09/27 22:57, 1F
→
09/27 23:12, , 2F
09/27 23:12, 2F
推
09/27 23:14, , 3F
09/27 23:14, 3F
推
09/28 03:25, , 4F
09/28 03:25, 4F
推
09/28 09:47, , 5F
09/28 09:47, 5F
推
09/28 10:23, , 6F
09/28 10:23, 6F
→
09/28 16:05, , 7F
09/28 16:05, 7F
→
09/28 16:06, , 8F
09/28 16:06, 8F
推
09/28 17:59, , 9F
09/28 17:59, 9F
→
09/28 18:01, , 10F
09/28 18:01, 10F
推
09/28 18:38, , 11F
09/28 18:38, 11F
推
09/28 21:41, , 12F
09/28 21:41, 12F
推
09/28 22:25, , 13F
09/28 22:25, 13F
→
09/28 23:03, , 14F
09/28 23:03, 14F
→
09/28 23:06, , 15F
09/28 23:06, 15F
→
10/01 22:24, , 16F
10/01 22:24, 16F
討論串 (同標題文章)