| 1520 | 【基础】骑士的金币（coin） | 入门 | 240/1089 | |
| 2255 | 【printf专项】输入一个小数，输出这个小数的两倍，并且保留三位小数 | 入门 | 14/22 | |
| 2256 | 【printf专项】小明买瓜 | 入门 | 14/20 | |
| 2257 | 【printf专项】输出9除以5的结果，保留小数点后两位 | 入门 | 7/34 | |
| 4009 | Batting Average | 入门 | 0/85 | |
| 4011 | Counting | 入门 | 0/114 | |
| 4021 | Square Inequality | 入门 | 0/85 | |
| 4023 | Chinchirorin | 入门 | 0/61 | |
| 4027 | Good morning | 入门 | 0/51 | |
| 4028 | Tiny Arithmetic Sequence | 入门 | 0/39 | |
| 4030 | Maxi-Buying | 入门 | 0/43 | |
| 4031 | Rolling Dice | 入门 | 0/37 | |
| 4048 | Savings | 入门 | 0/143 | |
| 4049 | Failing Grade | 入门 | 0/115 | |
| 4051 | Climbing Takahashi | 入门 | 0/170 | |
| 4052 | Integer Sum | 入门 | 0/104 | |
| 4056 | Online Shopping | 入门 | 0/117 | |
| 4059 | The bottom of the ninth | 入门 | 0/107 | |
| 4060 | Buildings | 入门 | 0/221 | |
| 4062 | Find Takahashi | 入门 | 0/124 | |
| 4069 | Integer Division | 入门 | 0/315 | |
| 4070 | Intersection | 入门 | 0/271 | |
| 4075 | Integer Division Returns | 入门 | 0/391 | |
| 4079 | AtCoder Line | 入门 | 0/159 | |
| 4094 | Inverse of Permutation | 入门 | 0/117 | |
| 4097 | Who is missing? | 入门 | 0/112 | |
| 4102 | Digit Machine | 入门 | 0/141 | |
| 4124 | A to Z String 2 | 入门 | 0/42 | |
| 4157 | Standing On The Shoulders | 入门 | 0/46 | |
| 4163 | Find Multiple | 入门 | 0/2 | |
| 4168 | Practical Computing | 入门 | 0/46 | |
| 4173 | Line Sensor | 入门 | 0/36 | |
| 4178 | Jogging | 入门 | 0/21 | |
| 4181 | Farthest Point | 入门 | 0/44 | |
| 4191 | Bingo 2 | 入门 | 0/17 | |
| 4196 | Perfect String | 入门 | 0/24 | |
| 4677 | [USACO08OCT] Bovine Bones G | 入门 | 0/1 | |
