We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
Krzysztof Jarek
@kjmj77
Poland
Badges
CPP
Python
Sql
Certifications
kjmj77 has not earned any certificates yet.
Work Experience
kjmj77 has not updated employment details yet.
Education
kjmj77 has not updated education details yet.
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website