Learned from Solution 883700, by Tim. run this just for checking: I reckon that function "sum" in that solution is redundant, and my guessing seems to be right.
Quick response! Seems 0 is better than infinity...
lol~ yes, in terms of code size, 0 is better than Inf :-)
Find the palindrome
Prime factor digits
Construct a string from letters and counts
Side of a rhombus
Number construction III
Juggler sequence revisited
Sorting integers by their digits (Level 3)
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