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One snowy night, you were sitting in your house sitting near a nice cozy fire. All of a sudden, a snowball came crashing through the window, destroying it. You hear voices of laughter and sounds of running and quickly look out your window to see 4 neighborhood kids who were all brothers running a...
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Okay, I made this puzzle months ago. I remember the rules, but not the answer.
Each row is a word and each box holds one letter. Boxes of the same color are the same letter as well; as there are only 7 colors, the whole puzzle uses only 7 letters. The goal is just figuring out what all 9 words ar...
A robot starts on a cell in an infinite grid. On the first turn he can move 1 cell horizontally or vertically. On the $n$-th turn ($n>1$) he can move $n$ cells horizontally or vertically, but he cannot revisit cells. Is the robot able to come back to his starting cell?
Only using /pi and /tau (2pi), make as many numbers as you can from 1 to n, where n is a whole number.
Restrictions:
You can use basic operations such as +,-,*,and /.
You can also use operations such as ! and sqrt.
You can not introduce any new digits. For example, cube roots are not allowed...0
user478740
user478740
I know a Hamilton path on the 4 × 4 (n * n)grid that can starts at the top-left corner and ends at the top-right corner, but how can i prove it in word or math ?not program
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the riddle/puzzle:
The winged superhero who privately vacuumed with the help of the mutants.
Need the answer as soon as possible, thanks a ton
I had an uncle, he was a Major in the Air Force. He became a well-known baseball player, and then a videogame character! Finally, he finished his life as a brilliant physicist (for real this time).
Who was my uncle ?
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So there is this robot. Its origin is at (0, 0), index 0. Each pair of coordinates will have same numbers for x and y. How the robot moves is this: (0, 0) index 0, (1, 1) index 1, (1, 1) index 2, (2, 2) index 3, (3, 3) index 4, (5, 5) index 5, ....
However, there is a world border that sends it b...
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Everything is in position except these two corners, but I can't seem to find a solution.
I bought a regular analog clock, and it came with a note saying:
Take yourself a picture
Around a special time
And though you will not hear my tick
You'll see it just fine
How can this be?
This is a variety crossword type called Around-the-Bend
Rules
Each word goes from left to right on its numbered line, and then continues from right to left on the next line
#20 wraps back around to #1
Example: If #1 was "DEPARTS", then #2 must start with "STRA" and #20 must end with "PED". #1 w...
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My prefix starts with blood.
My suffix gives you permission.
My infix goes really fast.
My whole is the sight of blood.
There is a famous puzzle that asks for the next line (and the rule) for the following pattern:
1
11
21
1211
111221
...
The solution to this puzzle is:
Now, the question is:
Is there a starting point, which would come back to itself? In other words, can you find a starting point and then run t...
