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visits member for 2 years, 4 months
seen Nov 11 at 23:35

Oct
15
awarded  Popular Question
Oct
12
awarded  Notable Question
Mar
6
awarded  Popular Question
Dec
18
awarded  Teacher
Dec
18
answered What exactly is infinity?
Aug
4
accepted Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
Aug
4
comment Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
This is another nice way to think about it, I did not think of that. Thank you.
Aug
4
comment Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
Aha, I see. I missed those duplicates. Thanks, now I understand it.
Aug
4
awarded  Editor
Aug
4
revised Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
corrected a typo
Aug
4
comment Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
ah yes, so sorry. I will edit the question now. Thanks for pointing that out.
Aug
4
comment Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
because the string can have the following forms 000xxxxx, 1000xxxx, x1000xxx, xx1000xx, xxx1000x, xxxx1000
Aug
3
asked Number of bit strings with 3 consecutive zeros or 4 consecutive 1s
Aug
1
awarded  Supporter
Aug
1
accepted Number of line segments intersecting diagonals are divided into in a convex polygon
Aug
1
comment Number of line segments intersecting diagonals are divided into in a convex polygon
I can't believe it was that simple, thank you very much.
Aug
1
asked Number of line segments intersecting diagonals are divided into in a convex polygon
Jul
28
comment Count the number of n-bit strings with an even number of zeros.
Thank you, this was also simple to follow and understand.
Jul
28
awarded  Scholar
Jul
28
comment Count the number of n-bit strings with an even number of zeros.
Thanks a lot, this is a simple and elegant way to think about it. Thank you.