| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 860 | P860 Magic Squares | 0 / 0 | (None) | |
| 879 | P879 Hidden Palindrome | 0 / 0 | (None) | |
| 917 | P917 Performance Indicators (成績指標) | 0 / 0 | 1 |
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