HighSpeed's editorials
| # | Problem |
|---|---|
| 4 | OMC008(F) |
| 5 | OMC051(E) |
| 6 | OMC012(E) |
| 27 | OMC012(F) |
| 29 | OMC075(C) |
| 30 | OMC076(E) |
| 41 | OMC083(E) |
| 47 | OMC087(A) |
| 48 | OMC087(B) |
| 72 | OMC099(D) |
| 73 | OMC099(C) |
| 90 | OMC103(E) |
| 93 | OMC106(D) |
| 144 | OMC123(E) |
| 191 | OMC142(E) |
| 203 | OMC148(F) |
| 205 | OMC151(C) |
| 231 | OMC160(E) |
| 272 | OMC174(C) |
| 273 | OMC174(E) |
| 293 | OMC178(F) |
| 298 | OMC180(D) |
| 423 | OMC209(C) |
| 896 | OMCE014(D) |
| 1083 | OMCE018(C) |