| 4146 | 彩虹岛的房子 | 7 | 10 | 70% |
| 4147 | special SC (easy version) | 7 | 11 | 64% |
| 4148 | 玩了个玩 | 7 | 17 | 41% |
| 4149 | 彩虹岛爱心大礼包 | 7 | 25 | 28% |
| 4150 | 可达鸭和吮指原味鸡 | 8 | 23 | 35% |
| 4151 | 你好，彩虹岛！ | 45 | 74 | 61% |
| 4152 | 铺地毯（Day 1） | 8 | 35 | 23% |
| 4154 | 梅森数 | 9 | 42 | 21% |
| 4155 | 栈 | 5 | 5 | 100% |
| 4156 | 食物 | 2 | 2 | 100% |
| 4157 | Blocks | 2 | 2 | 100% |
| 4158 | ZAP-Queries | 1 | 1 | 100% |
| 4159 | SY的GCD | 1 | 2 | 50% |
| 4160 | 约数个数和 | 1 | 1 | 100% |
| 4161 | Crash的数字表格 | 1 | 2 | 50% |
| 4162 | 杜教筛 | 1 | 1 | 100% |
| 4163 | a×b=? | 1 | 5 | 20% |
| 4164 | 【模板】多项式乘法（FFT&NTT） | 3 | 6 | 50% |
| 4165 | [FJOI2016]建筑师 | 3 | 11 | 27% |
| 4166 | 三只小菲猪 | 2 | 7 | 29% |
| 4167 | [省选联考 2020 A 卷] 组合数问题 | 1 | 1 | 100% |
| 4168 | 动态树 Link Cut Tree | 1 | 1 | 100% |
| 4301 | 多重集合(1) | 2 | 4 | 50% |
| 4302 | 移动硬币 | 1 | 1 | 100% |
| 4303 | Taffy与比赛[hard] | 3 | 24 | 12% |
| 4304 | 组合数[模板] | 9 | 20 | 45% |
| 4306 | 平行宇宙 | 3 | 7 | 43% |
| 4307 | 水晶迷宫 | 2 | 3 | 67% |
| 4308 | 月光印记 | 2 | 3 | 67% |
| 4309 | lbqの假期 | 4 | 52 | 8% |
| 4310 | lbqの旅程 | 2 | 3 | 67% |
| 4311 | 两个数组和的第K大 | 5 | 7 | 71% |
| 4323 | 数据测试 | 17 | 23 | 74% |
| 4324 | 分圆 | 3 | 11 | 27% |
| 4325 | 光与镜 | 2 | 17 | 12% |
| 4326 | 食物 | 3 | 3 | 100% |
| 4327 | 整数点 | 4 | 12 | 33% |
| 4328 | 有限制的汉诺塔 | 1 | 1 | 100% |
| 4330 | 切割 | 6 | 8 | 75% |
| 4331 | 赌石 | 7 | 13 | 54% |
| 4332 | 可达鸭偷来的square | 5 | 37 | 14% |
| 4333 | 取数 | 0 | 0 | 0.0% |
| 4334 | Abnormal Pair | 1 | 11 | 9% |
| 4335 | Beautiful Sequence | 1 | 2 | 50% |
| 4336 | Minimum Array | 3 | 5 | 60% |
| 4353 | 穿越未来 | 14 | 30 | 47% |
| 4354 | yellow_chick | 8 | 19 | 42% |
| 4355 | 【入门】猫咪复读机 | 20 | 31 | 65% |
| 4356 | Range Modify | 17 | 54 | 31% |
