| ID | Problems | Difficulty | Accepted | Solves | Status |
|---|---|---|---|---|---|
| 20 | xorpowxorpow | Gold VG5 | — | 38 | Not tried |
| 52 | rotaterotate | Silver VS5 | — | 32 | Not tried |
| 287 | tourist vs rainboytouristvsrainboy |
| Bronze IB1 |
| — |
| 79 |
| Not tried |
| 441 | 레몬멜론쿠키cookie | Bronze IB1 | — | 69 | Not tried |
| 497 | 창의적인 문제enemy-of-spear | Bronze IIB2 | — | 23 | Not tried |
| 541 | 나는 호반우가 좋아!Ilovehobanwoo | Bronze IB1 | — | 33 | Not tried |
| 618 | 7 x 13 = 28multiply | Bronze IVB4 | — | 102 | Not tried |
| 619 | Even Roastingevenroast | Silver VS5 | — | 95 | Not tried |
| 620 | Farewellfarewell | Silver IIS2 | — | 93 | Not tried |
| 621 | Cipher Guesscipherguess | Gold VG5 | — | 81 | Not tried |
| 622 | Grid Sortgridsort | Platinum VP5 | — | 41 | Not tried |
| 631 | Dismantlingdismantling | Platinum VP5 | — | 45 | Not tried |
