CHFJB – Editorial
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6
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515
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August 20, 2018
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codevita,concatenating, primes,concatinating primes
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6
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1476
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August 1, 2017
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Problem In a global Mathematics contest, the contestants are told to invent some special numbers which can be built by adding the squares of its digits. Doing this perpetually, the numbers will end up to 1 or 4. If a positive integer ends with 1, then it
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1
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423
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July 27, 2017
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Algorithm which computes the maxmal x that satisfies the following constraints
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6
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606
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July 6, 2017
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faster prime generating with seive
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4
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921
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November 26, 2014
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About Primes
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0
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391
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July 30, 2014
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