Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.
Only one value of g for all test cases?
"Minimum ground velocity" means minimum speed when fired.
Find relatively common elements in matrix rows
Return the first and last character of a string
Find number of days
Create a vector whose elements depend on the previous element
Size of this cup?
Given a square and a circle, please decide whether the square covers more area.
Predicting life and death of a memory-less light bulb
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