History of question #237676
| When | Who | Action | New State |
|---|---|---|---|
| Matthew Farrellee | Answer | Answered | |
| Xiang Hui | Reopen | Open | |
| Xiang Hui | Comment | Open | |
| Dmitry Mescheryakov | Answer | Answered | |
| Matthew Farrellee | Answer | Answered | |
| Xiang Hui | Confirm | Solved | |
| Xiang Hui | Comment | Solved |
