History of question #227538
| When | Who | Action | New State |
|---|---|---|---|
| Eugene Nikanorov | Answer | Answered | |
| Alex Wu | Reopen | Open | |
| Eugene Nikanorov | Answer | Answered | |
| yong sheng gong | Answer | Answered | |
| Alex Wu | Comment | Answered | |
| Eugene Nikanorov | Answer | Answered | |
| Alex Wu | Confirm | Solved |
