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 :-)
Remove any row in which a NaN appears
Reverse the vector
Find nearest prime number less than input number
Count number of words in string
Divisible by 2
Regular polygon bounded by and bounding a circle
Factorizing a number into a given number of factors
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