Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9
Return the 3n+1 sequence for n
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Add one raw in given matrix as shown in example
Product of Array
Find out sum of prime number till given number
Find Excess 3 code of given decimal number.
Change the first and last diagonal element of the identity matrix to zero
Find out base of following arithmetic operation
Union of two set decreasing order
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