Navigate this link: https://community.topcoder.com/tc?module=ProblemArchive
Enter the problem name in Class Name.
Click on Submit.
Click on the problem name from the below.
This will redirect you to the Problem Statement page.
Scroll down the page and click on the link below this label “This problem was used for:”
This will redirect you to the Problem detail page then click on View button to view the solution.