2025
Ukraine (Lviv)
- 1Electromagnetic stereometrynot published
- 2Schematic madnessnot published
- 3Alien disknot published
- 4Problem with intranslatable namenot published
- 5Day/Nightnot published
UPhO Problems and Solutions
Ukraine's national olympiad, held each spring with theoretical and experimental rounds for every grade; here is the 11th-grade theory paper.