This is putting your ducks in a row, Computer Science style. Some of the simplest but most useful data structures are linear. Dive in to build your foundational toolkit!
Give a sorted array of \(n\) elements, what is the minimum number of comparisons needed to check whether a certain element occurs more than half of the time?
Details and Assumptions
No auxiliary data structure is allowed.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 

Find the sum of all the prime numbers less than 1000 that are 1 more than a perfect square.
For example, 2 is a prime that is 1 more than the perfect square 1.
Problem Loading...
Note Loading...
Set Loading...