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CANTON - Count on Cantor |
One of the famous proofs of modern mathematics is Georg Cantor's demonstration that the set of rational numbers is enumerable. The proof works by using an explicit enumeration of rational numbers as shown in the diagram below.
1/1 1/2 1/3 1/4 1/5 ... 2/1 2/2 2/3 2/4 3/1 3/2 3/3 4/1 4/2 5/1
In the above diagram, the first term is 1/1, the second term is 1/2, the third term is 2/1, the fourth term is 3/1, the fifth term is 2/2, and so on.
Input
The input starts with a line containing a single integer t ≤ 20, the number of test cases. t test cases follow.
Then, it contains a single number per line.
Output
You are to write a program that will read a list of numbers in the range from 1 to 107 and will print for each number the corresponding term in Cantor's enumeration as given below.
Example
Input: 3 3 14 7 Output: TERM 3 IS 2/1 TERM 14 IS 2/4 TERM 7 IS 1/4
Added by: | Thanh-Vy Hua |
Date: | 2005-02-27 |
Time limit: | 5s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All except: NODEJS PERL6 VB.NET |
Resource: | ACM South Eastern European Region 2004 |
hide comments
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2014-04-09 14:22:55 Aadithya U
My 50th.. :D nice ques.. learnt new thngs :D |
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2014-03-29 05:03:26 GAURAV CHANDEL
ac in first try ! wowwwwww!! great question |
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2014-03-14 11:06:10 Norman Fernandez
Getting AC at first attempt after many hours of thinking made me so happy :) |
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2014-03-02 10:45:54 Osama
enumerable able to be counted by one-to-one correspondence with the set of all positive integers. |
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2014-03-02 10:42:13 Nada
what does enumerable means? |
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2014-02-13 15:16:09 RAJAT SINGH
got AC in first attempt .......my 33th |
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2014-02-04 18:39:32 Dhruv Mullick
Beauty. 0.00 AC :-) |
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2014-02-04 15:20:20 vaibhav gupta
my 50th :) |
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2014-01-18 11:31:37 shashi roshan
nice problem :) uses the idea of triangular numbers... Last edit: 2014-01-18 11:33:19 |
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2013-12-28 21:33:10 aman gupta
14th term is 2/4 or 4/2 |