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WILLITST - Will it ever stop |
When Bob was in library in University of Warsaw he saw on one of facades caption :"Will it ever stop?" and below some mysterious code:
while n > 1 if n mod 2 = 0 then n:=n/2 else n:=3*n+3
Help him finding it out !
Input
In first line one number n<=10^14.
Output
Print "TAK" if program will stop, otherwise print "NIE"
Example
Input: 4 Output: TAK
Added by: | Krzysztof Lewko |
Date: | 2011-11-09 |
Time limit: | 0.906s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All except: ASM64 |
Resource: | AMPPZ 2011 |
hide comments
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2015-06-06 14:07:32
i submitted a solution it seems correct but gives runtime error (NZEC) Can one check why? https://ideone.com/tTP6BW |
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2015-05-26 20:04:17 Aadil Shaharyar Ahmed
n:=n/2 what does this mean...... plz nyone explain term by term .....dont really know the use of colon ( ; ) |
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2015-05-13 14:20:08 Kushagra Sinha
Sometimes ignorance is bliss. Knowing http://en.wikipedia.org/wiki/Collatz_conjecture made me think that the problem is more difficult than it is. |
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2015-05-06 13:52:10 Mayank
Same logic but wrong answer in Python and accepted in C..why?? |
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2015-05-05 21:49:01 scyth3r
2 lines of code....PYTHON_/\_ |
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2015-05-01 00:28:35 Deepak sharma
easy problem AC in first attempt............ |
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2015-04-28 21:09:03 Arpan Mukherjee
When I submitted the code I was damn confident It's not the right logic,just let's see what happens. I was just playing.And It got me AC :D Awesome problem |
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2015-04-26 07:41:56 Abhishek Naik
What does NIE and TAK represent? I know it doesn't matter, but still. |
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2015-04-05 13:22:04 ashoka
O(1) :D |
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2015-04-01 15:59:53 sarkarshuvojit
AC in first attempt :D O(1) |