| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 21 | P0020 SVADA | 0 / 0 | 5 | |
| 22 | P0021 MATRICA | 0 / 0 | 7 | |
| 23 | P0022 BST | 0 / 0 | 7 | |
| 24 | P0023 NAJKRACI | 0 / 0 | 8 | |
| 25 | P0024 AVOGADRO | 0 / 0 | 5 | |
| 26 | P0025 BARICA | 0 / 0 | 6 | |
| 27 | P0026 BAZA | 0 / 0 | 7 | |
| 28 | P0027 SLIKAR | 0 / 0 | 6 | |
| 29 | P0028 TREZOR | 0 / 0 | 8 | |
| 30 | P0029 PERIODNI | 0 / 0 | 7 | |
| 31 | P0030 马拉松接力赛 | 0 / 0 | 4 | |
| 32 | P0031 扇区填数 | 0 / 0 | 7 | |
| 33 | P0032 小车问题 | 0 / 0 | 4 | |
| 34 | P0033 旅行家的预算 | 1 / 1 | 5 | |
| 35 | P0034 服务器储存信息问题 | 0 / 0 | 8 | |
| 36 | P0035 间谍网络 | 0 / 0 | 6 | |
| 37 | P0036 Gaming | 0 / 0 | 9 | |
| 39 | P0037 速度限制 | 0 / 0 | 7 | |
| 38 | P0038 公路修建 | 0 / 0 | 6 | |
| 40 | P0039 信号放大器 | 0 / 0 | 7 |
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