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Challenges related to elementary arithmetic.

13
votes
10answers
Description We consider an integer with at least 3 digits triple-balanced if, when split into three parts, the digits in every part sum up to the same number. We split numbers as follows: abcdefghi …
asked Jul 17 '17 by racer290
0
votes
anything (not even linking native libraries). I don't see a way to remove Javas arithmetic stuff,but if someone does, feel free to leave a comment. Hope you enjoy the challenge. …
answered Jul 19 '17 by racer290
19
votes
19answers
Description There have been quite a few other challenges concerning these numbers before, and I hope this one is not among them. The n th triangular number equals the sum of all natural numbers up t …
asked Jul 17 '17 by racer290
2
votes
Java 8 (Cracked) Second attempt. This time I invested two minutes of testing. static { try { System.setIn(null); System.setOut(null); System.setErr(null); for …
answered Jul 19 '17 by racer290