History of question #701382
| When | Who | Action | New State |
|---|---|---|---|
| Olivier Mattelaer | Answer | Answered | |
| Zhaowei Song | Reopen | Open | |
| Zhaowei Song | Comment | Open | |
| Zhaowei Song | Comment | Open | |
| Zhaowei Song | Comment | Open | |
| Olivier Mattelaer | Answer | Answered | |
| Zhaowei Song | Reopen | Open | |
| Olivier Mattelaer | Answer | Answered |
