sia1007's favorites
| # | Problem |
|---|---|
| 7998 | OMCB069(C) |
| 16021 | OMCB070(H) |
| 15675 | OMCB070(F) |
| 15898 | OMCB070(E) |
| 15967 | OMCB070(D) |
| 15721 | OMCB070(A) |
| 14852 | OMCB071(F) |
| 16142 | OMCB071(D) |
| 15978 | OMCB071(C) |
| 14714 | OMCB071(E) |
| 16557 | OMCB071(A) |
| 14553 | OMCB067(H) |
| 13159 | OMCB067(G) |
| 15457 | OMCB067(B) |