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The graceful tree conjecture
Show that every tree with m edges can be labelled by distinct numbers 0 to m so that the edge differences are exactly 1 to m.
+3 −1 scienceslack.json 查看文件
| @@ -21,5 +21,7 @@ | ||
| 21 | 21 | "status": "open", |
| 22 | 22 | "as_of": "2026-10-20", |
| 23 | 23 | "catalog": "0521c19bbd38" |
| 24 | - } | |
| 24 | + }, | |
| 25 | + "review": true, | |
| 26 | + "approval": "first-time" | |
| 25 | 27 | } |