[理工] 106 清大
今天清大數學有一題
長度9的bit string
要算 How many have either five consecutive 1s or five consecutive 0s
想問大家怎麼解比較好?
我是用一個一個情況去討論 算是暴力法QQ
感覺長度更大的 就難算了
想問看看有甚麼好方法?
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→
02/09 20:47, , 1F
02/09 20:47, 1F
推
02/09 20:48, , 2F
02/09 20:48, 2F
推
02/09 20:48, , 3F
02/09 20:48, 3F
推
02/09 20:50, , 4F
02/09 20:50, 4F
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02/09 20:51, , 5F
02/09 20:51, 5F
→
02/09 20:51, , 6F
02/09 20:51, 6F
→
02/09 20:52, , 7F
02/09 20:52, 7F
→
02/09 20:52, , 8F
02/09 20:52, 8F
→
02/09 20:53, , 9F
02/09 20:53, 9F
→
02/09 20:53, , 10F
02/09 20:53, 10F
→
02/09 20:54, , 11F
02/09 20:54, 11F
→
02/09 20:54, , 12F
02/09 20:54, 12F
推
02/09 20:54, , 13F
02/09 20:54, 13F
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02/09 20:54, , 14F
02/09 20:54, 14F
→
02/09 20:54, , 15F
02/09 20:54, 15F
推
02/09 20:54, , 16F
02/09 20:54, 16F
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02/09 20:54, , 17F
02/09 20:54, 17F
→
02/09 20:54, , 18F
02/09 20:54, 18F
推
02/09 20:55, , 19F
02/09 20:55, 19F
推
02/09 20:55, , 20F
02/09 20:55, 20F
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02/09 20:55, , 21F
02/09 20:55, 21F
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02/09 20:55, , 22F
02/09 20:55, 22F
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02/09 20:56, , 23F
02/09 20:56, 23F
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02/09 21:01, , 24F
02/09 21:01, 24F
推
02/09 21:02, , 25F
02/09 21:02, 25F
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02/09 21:02, , 26F
02/09 21:02, 26F
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02/09 21:03, , 27F
02/09 21:03, 27F
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02/09 21:08, , 28F
02/09 21:08, 28F
→
02/09 21:09, , 29F
02/09 21:09, 29F
→
02/09 21:09, , 30F
02/09 21:09, 30F
推
02/09 21:12, , 31F
02/09 21:12, 31F
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02/09 21:12, , 32F
02/09 21:12, 32F
推
02/09 21:13, , 33F
02/09 21:13, 33F
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02/09 21:14, , 34F
02/09 21:14, 34F
→
02/09 21:14, , 35F
02/09 21:14, 35F
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02/09 21:14, , 36F
02/09 21:14, 36F
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02/09 21:15, , 37F
02/09 21:15, 37F
→
02/09 21:15, , 38F
02/09 21:15, 38F
→
02/09 21:16, , 39F
02/09 21:16, 39F
推
02/09 21:17, , 40F
02/09 21:17, 40F
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02/09 21:17, , 41F
02/09 21:17, 41F
推
02/09 21:17, , 42F
02/09 21:17, 42F
推
02/09 21:19, , 43F
02/09 21:19, 43F
推
02/09 21:23, , 44F
02/09 21:23, 44F
→
02/09 21:24, , 45F
02/09 21:24, 45F
→
02/09 21:25, , 46F
02/09 21:25, 46F
推
02/09 21:25, , 47F
02/09 21:25, 47F
→
02/09 21:28, , 48F
02/09 21:28, 48F
→
02/09 21:29, , 49F
02/09 21:29, 49F
推
02/09 21:29, , 50F
02/09 21:29, 50F
→
02/09 21:36, , 51F
02/09 21:36, 51F
→
02/09 21:36, , 52F
02/09 21:36, 52F
推
02/09 21:42, , 53F
02/09 21:42, 53F
→
02/09 21:42, , 54F
02/09 21:42, 54F
→
02/09 21:45, , 55F
02/09 21:45, 55F
推
02/09 21:46, , 56F
02/09 21:46, 56F
推
02/09 22:00, , 57F
02/09 22:00, 57F
推
02/09 22:02, , 58F
02/09 22:02, 58F
→
02/09 22:03, , 59F
02/09 22:03, 59F
→
02/09 22:04, , 60F
02/09 22:04, 60F
→
02/09 22:04, , 61F
02/09 22:04, 61F
→
02/09 22:05, , 62F
02/09 22:05, 62F
推
02/09 22:06, , 63F
02/09 22:06, 63F
→
02/09 22:08, , 64F
02/09 22:08, 64F
推
02/09 22:13, , 65F
02/09 22:13, 65F
推
02/09 22:40, , 66F
02/09 22:40, 66F
推
02/09 23:58, , 67F
02/09 23:58, 67F
→
02/09 23:58, , 68F
02/09 23:58, 68F
→
02/09 23:58, , 69F
02/09 23:58, 69F
推
02/10 00:26, , 70F
02/10 00:26, 70F
推
02/10 05:08, , 71F
02/10 05:08, 71F
推
02/10 08:43, , 72F
02/10 08:43, 72F
→
02/10 16:27, , 73F
02/10 16:27, 73F
→
02/10 16:28, , 74F
02/10 16:28, 74F
推
02/10 16:44, , 75F
02/10 16:44, 75F
→
02/10 16:45, , 76F
02/10 16:45, 76F
推
02/10 17:07, , 77F
02/10 17:07, 77F
→
02/10 17:36, , 78F
02/10 17:36, 78F
→
02/10 18:10, , 79F
02/10 18:10, 79F