HMMT 2005 T15

Suppose $S$ tiles N. Show that $S$ is symmetric; that is, if $-S=\left\{-s_{n}, \ldots,-s_{0}\right\}$ , show that $S \sim-S$ .

Dataset text NuminaMath olympiads. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.