Make a square matrix with this shape. For n=4
1 1 0 0
1 0 1 0
0 1 0 1
0 0 1 1
Penny flipping - calculate winning probability (easy)
Sum the numbers on the main diagonal
02 - Vector Variables 3
Rounding off numbers to n decimals
Find out sum of all elements of given Matrix
Derivative of polynomial
Altitude of locations on the earth
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