largest palindrome made from the product of two 3-digit numbers.
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largest palindrome made from the product of two 3-digit numbers.
shivang Mon Feb 02, 2009 9:38 am
I hav posted the ques asked to me in Ballu's forum.....isme main apni taraf se bhi ques daal rha hun.....
Find the largest palindrome made from the product of two 3-digit numbers.?
Find the largest palindrome made from the product of two 3-digit numbers.?
shivang- Posts : 42
Join date : 2009-01-30
Age : 35
Re: largest palindrome made from the product of two 3-digit numbers.
Dee2306 Fri Feb 06, 2009 9:55 am
906609 is the answer!
( by brute force ) :lolz
( by brute force ) :lolz
Dee2306- Posts : 3
Join date : 2009-01-31
@Dee
shivang Fri Feb 06, 2009 11:07 pm
u can improve the brute force metod with some constraints:
A six digit palindrome is always divisible by 11...
so one of the two 3 digit no will be divisble by 11...thus decreasing the idetarions in atleast one loop
A six digit palindrome is always divisible by 11...
so one of the two 3 digit no will be divisble by 11...thus decreasing the idetarions in atleast one loop
shivang- Posts : 42
Join date : 2009-01-30
Age : 35
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