| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 5 | 5 [R1E]过分的子区间 | 129 / 792 | 8 | |
| 12 | 12 [R2F]带修求和 | 48 / 641 | 9 | |
| 18 | 18 [R3F]均值区间和 | 39 / 436 | 9 | |
| 33 | 33 [R6C]分班 | 271 / 1018 | 7 | |
| 40 | 40 [R7D]最小极差 | 70 / 624 | 9 | |
| 60 | 60 [R10F]数字修改 | 67 / 519 | 8 | |
| 69 | 69 [R12C]训练指令 | 367 / 1130 | 6 | |
| 78 | 78 [R13F]答题比赛 | 40 / 403 | 9 | |
| 84 | 84 [R14F]战队选人2 | 35 / 814 | 9 | |
| 96 | 96 [R16F]知识点学习3 | 41 / 291 | 8 | |
| 114 | 114 [R19F]操作序列 | 8 / 337 | 9 | |
| 128 | 128 [R21G]期望排名 | 8 / 129 | 9 | |
| 189 | 189 [R31D]连通块 | 111 / 528 | 7 | |
| 200 | 200 [R33C]数组加减 | 134 / 602 | 7 | |
| 203 | 203 [R33F]最大边权 | 18 / 98 | 8 | |
| 209 | 209 [R34F]子串数量 | 17 / 149 | 9 | |
| 215 | 215 [R35F]最小逆序对 | 15 / 154 | 9 | |
| 252 | 252 [R41C]文本编辑器 | 311 / 889 | 5 | |
| 254 | 254 [R41E]颜色题 | 12 / 78 | 8 | |
| 400 | 400 [R64D]路灯 | 143 / 425 | 6 |
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