Sock Merchant (Click here to view the link) Solution

Lucky division (Click here to view the problem) Solution

Chat room ( Click here to view the problem) Solution

Watermelon (Click to view the problem) Solution:

Helpful Maths (Click to view the problem) Solution:

Petya and Strings (Click to view the problem)

String Task click to view the problem Solve:

Way Too Long Words (click to view the problem) Solution: