Welcome to Biweekly Contest 31! Feel free to share and post your contest experience here!

You can also view the rankings for the contest here.

Links to the individual problems are included below:

Count Odd Numbers in an Interval Range (3 points)

Number of Sub-arrays With Odd Sum (4 points)

Number of Good Ways to Split a String (5 points)

Minimum Number of Increments on Subarrays to Form a Target Array (7 points)