PC2023 Problem 2 – Intermediate results, week 2

The second hint for Problem 2 will be published on 8th January 2023, 13:00 GMT.

By 1st January 2023, 13:00 GMT, there are 1159 participants from 88 countries. 35 solutions to P2 were submitted, out of which 4 were correct. Next update of the intermediate results: 8th January 2022, 13:00 GMT.

Correct solutions by university students:

GilRonenIsraelHebrew University of Jerusalem24/12/2022 23:23:00
AnindyaGuriaIndiaIndian Institute of Science28/12/2022 13:51:00
EyalWalachIsraelBar-Ilan University01/01/2023 00:07:00


Correct solutions by pre-university students:

Vlad-ȘtefanOrosRomania“Grigore Moisil” Theoretical High School19/12/2022 19:39:00


The list of countries:
Algeria, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Belarus, Belgium, Bosnia and Herzegovina, Brazil, Bulgaria, Cambodia, Cameroon, Canada, China, Croatia, Cuba, Czech Republic, Ecuador, Egypt, El Salvador, Estonia, Finland, France, Georgia, Germany, Greece, Guatemala, Honduras, Hong Kong, Hungary, India, Indonesia, Iran, Israel, Italy, Japan, Kazakhstan, Kenya, Kosovo, Kyrgyzstan, Latvia, Lithuania, Macau, Malaysia, Mexico, Moldova, Montenegro, Nepal, Netherlands, Nigeria, North Macedonia, Pakistan, Peru, Philippines, Poland, Romania, Russia, Rwanda, Saudi Arabia, Serbia, Singapore, Slovakia, Slovenia, South Africa, South Korea, Spain, Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Arab Emirates, United Kingdom, United States, Uzbekistan, Vietnam