Comment on Ask HN: Why are so many coding challenges about math?Comments−beyondCritics8yhttp://codeforces.com/blog/entry/23054https://www.hackerrank.com/calendarI think topcoder (https://www.topcoder.com) covers a wide spectrum, but i have never tried them.
Comments
http://codeforces.com/blog/entry/23054
https://www.hackerrank.com/calendar
I think topcoder (https://www.topcoder.com) covers a wide spectrum, but i have never tried them.