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 common elements in matrix rows
Project Euler: Problem 7, Nth prime
Solve the set of simultaneous linear equations
Matrix to column conversion
Divisible by 5
The glass half full
Sorting integers by their digits (Level 4)
Sorting integers by their digits (Level 2)
Sorting integers by their digits (Level 3)
The sliding puzzle: 3D
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