Welcome to Weekly Contest 231! 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:

Check if Binary String Has at Most One Segment of Ones (3 points)

Minimum Elements to Add to Form a Given Sum (4 points)

Number of Restricted Paths From First to Last Node (6 points)

Make the XOR of All Segments Equal to Zero (7 points)