if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.
Is my wife right? Now with even more wrong husband
Roll the Dice!
Given a 4x4 matrix, swap the two middle columns
MATCH THE STRINGS (2 CHAR) very easy
05 - Vector Equations 2
concatenate the elements
No more zeros
sum all digits
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