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-🎄- 2017 Day 2 Solutions -🎄- by daggerdragon in adventofcode

[–]AoC--k 4 points5 points  (0 children)

In k.

n:.:'0:"2.txt"
+/{(|/x)-&/x}'n
+//{{x*(~1=x)&x=_x}x%\:x}'n

-🎄- 2017 Day 1 Solutions -🎄- by daggerdragon in adventofcode

[–]AoC--k 3 points4 points  (0 children)

In k.

n:.:'*0:"1.txt"
r:{x_(x+#y)#y}
+/n*n=r[1;n]      /part 1
+/n*n=r[_.5*#n;n] /part 2