If give my function a x value it will give me a y value, so find the secret of it:
input x=[2 5 6 8 9] ---- >>> output y=7
input x =[1 1 1;
2 4 8;
3 9 27]
---- >>> output y= 23
Hint: use tags
surface of a spherical planet
Sum of diagonal of a square matrix
Product of elements in row
Divisible by 21
Is it a mail?
Find my secret function II
Input & Output "Smart One"
Stop a ZigZag scanning N*N Matrix at any diag you want
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