IX Junior Balkan Olympiad in Informatics 2015

Ohrid, Macedonia   |   September 14th-19th 2015

About JBOI

The JBOI aims at motivating students younger than 15.5 years of East Europe to get more interested in informatics, to test and prove their competence in solving problems with the help of computers, and to establish personal contacts with young people of the East European region.

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  • Warning: Cannot modify header information - headers already sent by (output started at /home/jboi/web/jboi2015.cs.org.mk/public_html/includes/common.inc:2754) in drupal_send_headers() (line 1232 of /home/jboi/web/jboi2015.cs.org.mk/public_html/includes/bootstrap.inc).
  • PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => cron [:db_insert_placeholder_2] => %type: !message in %function (line %line of %file). [:db_insert_placeholder_3] => a:6:{s:5:"%type";s:12:"PDOException";s:8:"!message";s:243:"SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT 1 AS expression FROM {variable} variable WHERE ( (name = :db_condition_placeholder_0) ); Array ( [:db_condition_placeholder_0] => update_last_email_notification ) ";s:9:"%function";s:14:"variable_set()";s:5:"%file";s:68:"/home/jboi/web/jboi2015.cs.org.mk/public_html/includes/bootstrap.inc";s:5:"%line";i:991;s:14:"severity_level";i:3;} [:db_insert_placeholder_4] => 3 [:db_insert_placeholder_5] => [:db_insert_placeholder_6] => http://jboi2015.cs.org.mk/content/empty [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => 35.175.120.174 [:db_insert_placeholder_9] => 1574389725 ) in dblog_watchdog() (line 160 of /home/jboi/web/jboi2015.cs.org.mk/public_html/modules/dblog/dblog.module).
The website encountered an unexpected error. Please try again later.

Uncaught exception thrown in shutdown function.

PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: DELETE FROM {semaphore} WHERE (value = :db_condition_placeholder_0) ; Array ( [:db_condition_placeholder_0] => 19153221705dd747d332bf72.52272229 ) in lock_release_all() (line 269 of /home/jboi/web/jboi2015.cs.org.mk/public_html/includes/lock.inc).