推 woieyufan :排容或反扣 都要分組討論 1連~8連 反扣快一點 03/23 01:40
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◆ From: 115.43.243.242
How many bit strings of length eight contain either three consecutive 0s or
four consecutive 1s
bit string就是只能為1或0的字串
例如11100000
答案是147
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