Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
Summing Digits within Text
The Goldbach Conjecture
Find the nearest integer
Change the first and last diagonal element of the identity matrix to zero
Solve Linear equations
Rotate Matrix @180 degree
Find out the Gray Code for a Given Binary Number
Find Excess 3 code of given decimal number.
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