History of question #690742
| When | Who | Action | New State |
|---|---|---|---|
| Jan Stránský | Answer | Answered | |
| Wang Yu | Reopen | Open | |
| Wang Yu | Give more information | Open | |
| Jan Stránský | Answer | Answered | |
| Wang Yu | Confirm | Solved | |
| Wang Yu | Confirm | Solved | |
| Wang Yu | Comment | Solved | |
| Jan Stránský | Comment | Solved |
