Count the number of primes less than 'n'.
Nice test cases!
With a more robust Test Suite many/most of the submissions would fail for ignoring the Problem Statement instruction that primes must be less than n. Please add test cases in which the input x (or "n") is itself a prime.
Filter AC, pass DC
Find the square of the sum of the digits of a number
Replacing a row
Basic commands - Least common multiple
kmph to mph converter
Energy of an object
Display negative numbers
Sum of cubes
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office