Question 142
Is it possible to place $601$ disks of radius $1$ in a rectangular box of size $4 \times 600$ so that no two disks overlap (they may, however, touch)?
MathNet 2018-part-02 — 181 problems (EN–VI) Question 142
Math Olympiad Vault · MathNet 2018-part-02 — 181 problems (EN–VI)