| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 2 | 2 [R1B]砖块覆盖 | 762 / 1199 | 2 | |
| 3 | 3 [R1C]区间求和 | 444 / 1723 | 7 | |
| 4 | 4 [R1D]传送 | 206 / 1365 | 8 | |
| 5 | 5 [R1E]过分的子区间 | 113 / 758 | 8 | |
| 6 | 6 [R1F]重复度不超过k的数 | 72 / 409 | 8 | |
| 7 | 7 [R2A]三人组队 | 739 / 992 | 1 | |
| 8 | 8 [R2B]向前看 | 566 / 1426 | 5 | |
| 9 | 9 [R2C]三元组 | 341 / 1592 | 7 | |
| 10 | 10 [R2D]倍数问题 | 223 / 1343 | 8 | |
| 11 | 11 [R2E]路线规划 | 68 / 600 | 9 | |
| 12 | 12 [R2F]带修求和 | 35 / 575 | 9 | |
| 13 | 13 [R3A]出现次数统计 | 616 / 1367 | 4 | |
| 14 | 14 [R3B]k次幂求和 | 427 / 1702 | 7 | |
| 15 | 15 [R3C]公因数求和 | 325 / 1686 | 7 | |
| 16 | 16 [R3D]拼三角形 | 180 / 859 | 7 | |
| 17 | 17 [R3E]知识点学习 | 51 / 504 | 9 | |
| 18 | 18 [R3F]均值区间和 | 31 / 332 | 9 | |
| 19 | 19 [R4A]数位交换 | 565 / 1257 | 4 | |
| 20 | 20 [R4B]保留DMY | 521 / 876 | 2 | |
| 21 | 21 [R4C]因式分解 | 278 / 1144 | 7 | |
| 22 | 22 [R4D]排队问题 | 157 / 645 | 7 | |
| 23 | 23 [R4E]区间异或和 | 111 / 470 | 7 | |
| 24 | 24 [R4F]交通问题 | 27 / 275 | 9 | |
| 25 | 25 [R5A]空心正方形 | 684 / 896 | 1 | |
| 26 | 26 [R5B]次大质因数 | 470 / 1388 | 6 | |
| 27 | 27 [R5C]众数 | 375 / 1126 | 6 | |
| 28 | 28 [R5D]数字变异 | 152 / 1376 | 9 | |
| 29 | 29 [R5E]余数和 | 151 / 693 | 7 | |
| 30 | 30 [R5F]知识点复习 | 26 / 616 | 9 | |
| 31 | 31 [R6A]wow | 622 / 1001 | 2 | |
| 32 | 32 [R6B]MEX | 513 / 1812 | 6 | |
| 33 | 33 [R6C]分班 | 261 / 998 | 7 | |
| 34 | 34 [R6D]数字矩阵 | 81 / 1039 | 9 | |
| 35 | 35 [R6E]树上求和 | 101 / 281 | 5 | |
| 36 | 36 [R6F]异或问题 | 38 / 434 | 9 | |
| 37 | 37 [R7A]K的倍数 | 599 / 1615 | 5 | |
| 38 | 38 [R7B]炸弹 | 343 / 956 | 5 | |
| 39 | 39 [R7C]二维gcd和 | 243 / 783 | 6 | |
| 40 | 40 [R7D]最小极差 | 62 / 610 | 9 | |
| 41 | 41 [R7E]小球碰撞 | 23 / 195 | 8 | |
| 42 | 42 [R7F]连续区间 | 21 / 237 | 9 | |
| 43 | 43 [R8A]买糖果 | 615 / 732 | 1 | |
| 44 | 44 [R8B]排序 | 392 / 865 | 4 | |
| 45 | 45 [R8C]点名 | 294 / 771 | 5 | |
| 46 | 46 [R8D]Z形填数 | 203 / 416 | 4 | |
| 47 | 47 [R8E]区间MEX | 95 / 422 | 7 | |
| 48 | 48 [R8F]括号子序列 | 23 / 249 | 9 | |
| 49 | 49 [R9A]六进制 | 451 / 994 | 4 | |
| 50 | 50 [R9B]奇偶差 | 393 / 873 | 4 | |
| 51 | 51 [R9C]k倍数区间 | 224 / 801 | 6 | |
| 52 | 52 [R9D]战队选人 | 114 / 561 | 7 | |
| 53 | 53 [R9E]炸弹2 | 48 / 265 | 8 | |
| 54 | 54 [R9F]硬币问题 | 21 / 242 | 9 | |
| 55 | 55 [R10A]比大小 | 531 / 859 | 2 | |
| 56 | 56 [R10B]平方数 | 455 / 1454 | 6 | |
| 57 | 57 [R10C]多重回字 | 380 / 609 | 2 | |
| 58 | 58 [R10D]合成球 | 66 / 557 | 8 | |
| 59 | 59 [R10E]知识点学习2 | 79 / 318 | 7 | |
| 60 | 60 [R10F]数字修改 | 62 / 453 | 8 | |
| 61 | 61 [R11A]出现奇数次的偶数 | 531 / 1284 | 5 | |
| 62 | 62 [R11B]前三小 | 499 / 892 | 3 | |
| 63 | 63 [R11C]匀加速运动 | 367 / 857 | 4 | |
| 64 | 64 [R11D]山谷数 | 53 / 406 | 8 | |
| 65 | 65 [R11E]波浪数 | 23 / 295 | 9 | |
| 66 | 66 [R11F]二维gcd和2 | 82 / 599 | 8 | |
| 67 | 67 [R12A]箭头 | 596 / 793 | 1 | |
| 68 | 68 [R12B]减法游戏 | 582 / 703 | 1 | |
| 69 | 69 [R12C]训练指令 | 359 / 1101 | 6 | |
| 70 | 70 [R12D]二维gcd和3 | 162 / 592 | 6 | |
| 71 | 71 [R12E]投票分组 | 69 / 305 | 7 | |
| 72 | 72 [R12F]公交问题 | 26 / 422 | 9 | |
| 73 | 73 [R13A]连续下降 | 555 / 858 | 2 | |
| 74 | 74 [R13B]n位数 | 493 / 755 | 2 | |
| 75 | 75 [R13C]消除游戏 | 307 / 1242 | 7 | |
| 76 | 76 [R13D]支架 | 211 / 662 | 6 | |
| 77 | 77 [R13E]合成球2 | 117 / 396 | 6 | |
| 78 | 78 [R13F]答题比赛 | 37 / 393 | 9 | |
| 79 | 79 [R14A]感叹句! | 594 / 837 | 1 | |
| 80 | 80 [R14B]向前看2 | 514 / 680 | 1 | |
| 81 | 81 [R14C]刷题升级 | 352 / 1064 | 6 | |
| 82 | 82 [R14D]训练指令2 | 252 / 869 | 6 | |
| 83 | 83 [R14E]密码 | 104 / 678 | 8 | |
| 84 | 84 [R14F]战队选人2 | 32 / 805 | 9 | |
| 85 | 85 [R15A]现在几点 | 589 / 1005 | 2 | |
| 86 | 86 [R15B]最近点 | 419 / 841 | 4 | |
| 87 | 87 [R15C]订单处理 | 371 / 768 | 4 | |
| 88 | 88 [R15D]二维异或和 | 205 / 686 | 6 | |
| 89 | 89 [R15E]扫地机器人 | 56 / 631 | 9 | |
| 90 | 90 [R15F]树上炸弹 | 46 / 405 | 9 | |
| 91 | 91 [R16A]总分 | 583 / 728 | 1 | |
| 92 | 92 [R16B]两个按钮 | 450 / 1112 | 5 | |
| 93 | 93 [R16C]三元组2 | 331 / 914 | 5 | |
| 94 | 94 [R16D]通关 | 256 / 603 | 4 | |
| 95 | 95 [R16E]数组问题 | 121 / 354 | 6 | |
| 96 | 96 [R16F]知识点学习3 | 40 / 290 | 8 | |
| 97 | 97 [R17A]谁在装弱 | 474 / 901 | 3 | |
| 98 | 98 [R17B]最多连胜 | 453 / 875 | 3 | |
| 99 | 99 [R17C]投票分组2 | 358 / 505 | 1 | |
| 100 | 100 [R17D]数字跳跃 | 141 / 727 | 7 | |
| 101 | 101 [R17E]线路架设 | 17 / 254 | 9 |
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