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The materials for the include problems and solutions for both the Fall and Spring rounds.
table filled with plus and minus signs, where they take turns crossing out rows and columns. The materials for the include problems and solutions
A game theory problem between Alice and Bob involving a You can find the official papers, including specific
A geometry problem about a regular octahedron with its faces divided into smaller triangles, asking for the maximum number of non-adjacent triangles that can be colored. You can find the official papers
You can find the official papers, including specific versions for different grade levels and difficulty settings, on the Official Tournament of Towns website and the University of Toronto's mirror site .
For additional preparation, you can browse the full archive of past tasks or review categorized problems on Shkolkovo . Fourty seventh Tournament of Towns, 2025 – 2026