Where can I find past IOI's problems and where to submit them ?! Please help !!!
| # | User | Rating |
|---|---|---|
| 1 | jiangly | 3810 |
| 2 | Benq | 3676 |
| 3 | Kevin114514 | 3655 |
| 4 | maroonrk | 3463 |
| 5 | strapple | 3447 |
| 6 | Um_nik | 3387 |
| 7 | heuristica | 3322 |
| 8 | turmax | 3317 |
| 9 | tourist | 3307 |
| 10 | jiangbowen | 3291 |
| # | User | Contrib. |
|---|---|---|
| 1 | Qingyu | 156 |
| 2 | nik_exists | 150 |
| 2 | maspy | 150 |
| 4 | Um_nik | 141 |
| 5 | Errichto | 139 |
| 6 | adamant | 137 |
| 7 | AmShZ | 136 |
| 8 | BledDest | 132 |
| 9 | maroonrk | 131 |
| 10 | qwexd | 129 |
| Name |
|---|



Unfortunately, I don't know!
so dont comment
so why are you here?
You can solve IOI's problems ( most of them ) at wcipeg
And you can find problems and solutions here.
Is there something tricky while register at wcipeg?
I write username/password/captcha, click Submit and page refreshs.
There was some errors in login procedure about 12 hrs ago. The problem is fixed now, so I think there will be no problem now.
Thank you very much!
Unfortunately, wcipeg doesn't have some IOI problems.
https://acm.math.spbu.ru/ but you must ask yeputons to register you.