This person is just using hard coded solutions to solve problems. You can check his recent solutions and see.
Back and Forth Rows
Project Euler: Problem 8, Find largest product in a large string of numbers
2倍してみよう - ここからスタート！
Factorions: Numbers that equal the sum of the factorials of their digits
Solving Quadratic Equations (Version 1)
Singularity v5 (with apologies to the true hack masters)
Should Mr McNugget even get out of bed today?
Rewrite setdiff to account for non-unique values
Break it up! Break it up!
Return elements unique to either input
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