2021杭电多校1
| A | Mod, Or and Everything | 思維+數(shù)論 |
| B | Rocket land | |
| C | Puzzle loop | |
| D | Another thief in a Shop | |
| E | Minimum spanning tree | 推結(jié)論+歐拉篩 |
| F | Xor sum | 01字典樹 |
| G | Pass! | |
| H | Maximal submatrix | 單調(diào)棧 |
| I | KD-Graph | |
| J | zoto | |
| K | Necklace of Beads |
總結(jié)
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