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naxmefy/n-digits-palindrome.js

Created May 6, 2021 02:07
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palindromes with N-Digits
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n-digits-palindrome.js
n = parseInt(readline());
n -= 2
result = 9
result *= 10 ** ~~((n + 1) / 2)
console.log(result);
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n-digits-palindrome.py
n=int(input())
print(9*10**(n//2-(n&1<1)))
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n-digits-palindrome.rb
p 9 * 10 ** (gets.to_i.pred / 2)
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