Sphere Online Judge (SPOJ)

• http://spoj.com/forum
• http://discuss.spoj.com/t/adalist/35876
• http://discuss.spoj.com/users/kensei_ma01
• http://discuss.spoj.com/users/simes
• http://discuss.spoj.com/t/solution-not-accepted/35849
• http://discuss.spoj.com/users/kaamin
• http://discuss.spoj.com/t/adabaset-problem/35870
• http://discuss.spoj.com/users/narbej
• http://discuss.spoj.com/t/rock-sweet-and-sour-rock/35864
• http://discuss.spoj.com/users/chodermal
• http://discuss.spoj.com/t/re-judge-not-working/35823
• http://discuss.spoj.com/users/sahil1422
• http://discuss.spoj.com/t/iitd1-another-sorting-problem/35817
• http://discuss.spoj.com/users/rama545
• http://discuss.spoj.com/t/problem-creator-how-to-bulk-upload-test-cases/35748
• http://discuss.spoj.com/users/agsha
• http://discuss.spoj.com/users/hodobox
• http://discuss.spoj.com/t/spoj-problem-setters/35792
• http://discuss.spoj.com/t/d-gdc-8-3-is-broken/35786
• http://discuss.spoj.com/users/avm1
• http://discuss.spoj.com/t/aibohp-solution-check/35751
• http://discuss.spoj.com/users/embiway
• http://discuss.spoj.com/t/nzec-in-jnext-problem/33270
• http://discuss.spoj.com/users/sreesaran
• http://discuss.spoj.com/users/nagesh_reddy
• http://discuss.spoj.com/t/coins-bytelandian-gold-coins/35653
• http://discuss.spoj.com/users/ameerulshah
• http://adb-brain-wars.com
• http://2018.olymp.innopolis.ru/en/
• https://t.me/innopolis_open
• https://www.facebook.com/InnopolisU
• http://blog.spoj.com/index.php/2017/06/30/coding-can-give-fun-computer-games-interview-ivan-katanic/
• http://bubblecup.org
• http://bubblecup.org/Home/Rules
• http://blog.spoj.com/index.php/2017/02/10/the-big-update-more-languages-available-than-ever-before/
• http://blog.spoj.com/index.php/2017/01/18/spoj-talks-keshav-dhandhania/
• https://olymp.innopolis.ru/en/ooui/16-17/
• https://www.codechef.com/snackdown/2016?utm_source=spojsd&utm_medium=home&utm_campaign=sd16
• http://www.deadline24.pl
• http://hck.re/x4pyxe
• https://www.freelancer.com/contest/challenges/nasa
• http://codechillout.sphere-contest.com
• http://snackdown.codechef.com/?utm_source=ideone&utm_medium=banner&utm_campaign=snckdown
• http://lambdadays.sphere-contest.com
• http://spoj.com/CONSTANT
• http://spox.spoj.pl
• http://codecha.org/
• http://www.spoj.com/users/ricbit/
• http://spojtweet.appspot.com/user/ricbit
• http://twitter.com/#!/ricbit/status/155700659126140928
• https://www.spoj.com/forum/viewtopic.php?f=64&t=10357&sid=8a710431f82dc49b8edf4d49267b1c57
• http://www.spoj.com/tools/
• http://www.spoj.com/forum/viewforum.php?f=72&sid=537893d0262541063ea6517d6adfcdb8
• http://bo.spoj.com/
• http://hs12.spoj.pl/users/fixer/
• http://hs12.spoj.pl/schools/507/
• http://hs12.spoj.pl/users/mario_lipovsky/
• http://hs12.spoj.pl/schools/505/
• http://hs12.spoj.pl/users/xgrizx1/
• http://hs12.spoj.pl/schools/462/
• http://hs12.spoj.pl/users/zworek/
• http://hs12.spoj.pl/schools/524/
• http://hs12.spoj.pl/users/zielen22/
• http://hs12.spoj.pl/schools/485/
• http://hs12.spoj.pl/ranks/ist/
• http://hs12.spoj.pl/schools/511/
• http://hs12.spoj.pl/ranks/sst/
• http://sphere-engine.com?utm_campaign=permanent&utm_medium=footer&utm_source=spoj
• http://sphere-research.com?utm_campaign=permanent&utm_medium=footer&utm_source=spoj