| 4349 | 元素加一 | 367 | 810 | 45.309% |
| 4350 | 不是唯一的树 | 1 | 29 | 3.448% |
| 4351 | 超级大数 | 18 | 214 | 8.411% |
| 4352 | 奇数/偶数增量 | 84 | 225 | 37.333% |
| 4353 | 计算平均绩点 | 537 | 1754 | 30.616% |
| 4354 | 矩阵对换 | 160 | 495 | 32.323% |
| 4355 | 找出01数 | 113 | 597 | 18.928% |
| 4356 | 二进制小发现 | 68 | 618 | 11.003% |
| 4378 | 能被整除的数 | 46 | 92 | 50.000% |
| 4383 | 火车进栈 | 17 | 33 | 51.515% |
| 4384 | 火车进出栈问题 | 7 | 20 | 35.000% |
| 4385 | 直方图中最大的矩形 | 11 | 16 | 68.750% |
| 4386 | 小组队列 | 9 | 23 | 39.130% |
| 4387 | 蚯蚓 | 1 | 3 | 33.333% |
| 4388 | 双端队列 | 2 | 4 | 50.000% |
| 4389 | 最大子序和 | 6 | 78 | 7.692% |
| 4390 | 邻值查找 | 2 | 20 | 10.000% |
| 4391 | 雪花雪花雪花 | 3 | 23 | 13.043% |
| 4392 | 兔子与兔子 | 9 | 13 | 69.231% |
| 4393 | 回文子串的最大长度 | 4 | 21 | 19.048% |
| 4394 | 后缀数组 | 3 | 7 | 42.857% |
| 4395 | 周期 | 6 | 16 | 37.500% |
| 4396 | 前缀统计 | 5 | 12 | 41.667% |
| 4397 | 最大异或对 | 14 | 25 | 56.000% |
| 4398 | 最长异或值路径 | 8 | 14 | 57.143% |
| 4399 | 超市 | 5 | 12 | 41.667% |
| 4400 | 序列 | 3 | 4 | 75.000% |
| 4401 | 数据备份 | 3 | 5 | 60.000% |
| 4402 | 合并果子 | 4 | 4 | 100.000% |
| 4403 | 荷马史诗 | 2 | 3 | 66.667% |
| 4404 | 喝可乐 | 55 | 109 | 50.459% |
| 4405 | 三个小桶 | 29 | 162 | 17.901% |
| 4406 | 构造B数组 | 4 | 8 | 50.000% |
| 4407 | 三元整数 | 53 | 94 | 56.383% |
| 4408 | 数字进制 | 35 | 87 | 40.230% |
| 4409 | 数组重排 | 15 | 50 | 30.000% |
| 4410 | 上船 | 54 | 80 | 67.500% |
| 4412 | Changeable Y | 29 | 80 | 36.250% |
| 4413 | Agent Y | 4 | 21 | 19.048% |
| 4414 | Weapon Selection | 2 | 15 | 13.333% |
| 4415 | Clean M | 11 | 34 | 32.353% |
| 4416 | 消灭敌人 | 21 | 115 | 18.261% |
| 4417 | 树的深搜 | 2 | 4 | 50.000% |
| 4418 | 12强赛 | 20 | 44 | 45.455% |
| 4419 | 方格填数 | 9 | 30 | 30.000% |
| 4420 | Average of Two Numbers | 16 | 46 | 34.783% |
| 4421 | Sum Them | 5 | 26 | 19.231% |
| 4422 | Not the Only Tree | 1 | 1 | 100.000% |
| 4423 | 最大的数 | 1 | 14 | 7.143% |
| 4424 | 洞穴探宝 | 0 | 0 | 0.000% |