I want to invite you to participate in HackerEarth July Easy Contest '15. It is 3 hour long contest scheduled on July 1. Check your timezone: http://hck.re/iZy4VB
The link to the contest: https://www.hackerearth.com/july-easy-15/
The problem set consists of 6 algorithmic tasks with partial solutions allowed - you get points for every test that your solution passes.
Top 5 winners will receive HackerEarth T-shirt!