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LGIC - LOGIC |
Given a sequance of natural numbers.
Find N'th term of this sequence.
a1=2, a2=4, a3=11, a4=36, a5=147, a6=778 ... ... ... ... aN.
Input
Only one natural number 7<=N<20.
Output
One natural number. N'th term of the sequence.
Example
Input:
10
Output:
3629814
Added by: | Azat Taryhchiyev |
Date: | 2012-02-15 |
Time limit: | 1s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |
Resource: | KG Regional Contest |
hide comments
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2015-01-21 02:20:45 Syed Sarfaraz Akhtar
very weak test cases... |
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2015-01-21 02:20:45 Rishwanth
AC in first attempt.. my first in python.. :D |
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2015-01-21 02:20:45 Vaibhav Yenamandra
Ruby, 2 lines :) |
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2015-01-21 02:20:45 (Tjandra Satria Gunawan)(曾毅昆)
solved using brainf**k ;-) |
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2015-01-21 02:20:45 Francky
This is a 'riddle' problem. Moved. |
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2015-01-21 02:20:45 shiva_hellgeek
Is the limit really- n<=10^18???? then how is it possible that the answer can be stored in lld???? :p :p :p |
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2015-01-21 02:20:45 Himanshu
a(N)<=10^18 question is misguiding...... ah.. ac in 1st attempt |
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2015-01-21 02:20:45 @looser@
only 5 line code in python |
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2015-01-21 02:20:45 Ikhaduri
This problem has the most pathetic test cases I have ever encountered. Plus constraints are misleading and big integer arithmetic isn't needed. |