| ID | Problems | Difficulty | Accepted | Solves | Status |
|---|---|---|---|---|---|
| 1 | Lemon Gamelemongame | Silver VS5 | — | 127 | Not tried |
| 2 | Lemon chandeliercoloring | Diamond IVD4 | — | 15 | Not tried |
| 3 | Lemony Snicket's Dangerous Duel |
| Ruby VR5 |
| — |
| 16 |
| Not tried |
| 4 | lamplamp | Diamond ID1 | — | 9 | Not tried |
| 5 | bfsbfs | Gold IG1 | — | 26 | Not tried |
| 7 | flipflip | Diamond IID2 | — | 7 | Not tried |
| 8 | roadsroads | Ruby VR5 | — | 10 | Not tried |
| 10 | binarytreebinarytree | Diamond VD5 | — | 8 | Not tried |
| 11 | machtmacht | Diamond IIID3 | — | 8 | Not tried |
| 12 | giftgift | Diamond VD5 | — | 11 | Not tried |
| 13 | flowerflower | Platinum IIIP3 | — | 11 | Not tried |
| 17 | mstondagmstondag | Platinum IIP2 | — | 8 | Not tried |
| 19 | treequerytreequery | Diamond IVD4 | — | 3 | Not tried |
| 24 | sumpowtwosumpowtwo | Gold IVG4 | — | 23 | Not tried |
| 32 | jumpjump | Silver VS5 | — | 67 | Not tried |
| 35 | snakesnake | Platinum IIIP3 | — | 23 | Not tried |
| 36 | balancebalance | Diamond VD5 | — | 8 | Not tried |
| 45 | pslovepslove | Bronze IB1 | — | 52 | Not tried |
| 48 | permutationpermutation | Platinum IVP4 | — | 18 | Not tried |
| 49 | 모의고사 문제mock | Platinum IP1 | — | 12 | Not tried |
