1/4 Test Cases Passed
You need to earn 2 or 3 stars in order to submit.
1/4 Test Cases Passed
You need atleast 2 stars to grade your answer.
sigma(3) to return 6
sigma(5) to return 15
sigma(7) to return 28
sigma(10) to return 55
Click “Run” to test how many Test Cases your code will pass.
Click “Submit” to test how many Test Cases your code will pass.
Have a look at the top-ranking players and watch how their solutions are voted as best practices for this challenge.
You can only view and vote for other players’ solutions once you have finished this challenge.
We apologize for the inconvenience. We encountered an internal error or misconfiguration and was unable to complete your request.
To continue, please reload the page. Thank you!