PALIN - The Next Palindrome
A positive integer is called a palindrome if its representation in the decimal system is the same when read from left to right and from right to left. For a given positive integer K of not more than 1000000 digits, write the value of the smallest palindrome larger than K to output. Numbers are always displayed without leading zeros.
Input
The first line contains integer t, the number of test cases. Integers K are given in the next t lines.
Output
For each K, output the smallest palindrome larger than K.
Example
Input: 2 808 2133 Output: 818 2222
Warning: large Input/Output data, be careful with certain languages
hide comments
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sharingancoder:
2018-02-18 07:28:23
can someone give some corner cases where code can go wrong
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adilmah:
2018-01-25 14:39:15
@quock The constraint is given on the number of digits |
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shashankpathak:
2018-01-25 10:20:38
I want to ask that if we have to find just preceding palindrome of the number then what should be the approach |
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quock:
2018-01-23 08:19:38
Here description say K can not be larger than 1000000 but the test cases assert also a big int
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hrk27071999:
2018-01-15 19:39:46
can someone give me corner cases for this code that is easy to mistake? |
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jonmanu:
2018-01-15 19:18:32
I got TLE in this program. How should i fix this? |
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bashnewbie:
2018-01-08 15:34:46
Nice problem ;)
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anna_9701:
2018-01-07 12:18:31
akash9827 Long int is too short to handle such long number as ~1000000 digits... |
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akash9827:
2018-01-06 05:32:10
I did this by reversing the number , i've checked corner cases too , all are correct.
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mona_coder:
2017-12-28 11:56:16
integer K of not more than 1000000 digits; why it is showing wrong answer?
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| Added by: | adrian |
| Date: | 2004-05-01 |
| Time limit: | 2s-9s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All except: NODEJS PERL6 |
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