I am a regular member at codeforces with 1817 max rating and 600+ problem solve. You can find my profile here.
I started my programming journey with UVA. I have 100+ solve there. You can find my profile here.
I visit LightOJ regularly to solve algorithmic problems. I arrange contests for my juniors here.
Recently I have started problem solving and participating contests at hackerrank. My max rating is 1901. You can find my profile here.
I solve problems and participate in contests at codemarshal, DMOJ, codechef, hackerearth, SPOJ, kattis, csacademy and toph. Everywhere my username is froghramar.
I have regular activities on virtual judges like hust and bnu.
To contact with me, just send a mail to my Gmail or a private message at facebook.