History of question #180493
| When | Who | Action | New State |
|---|---|---|---|
| Sanjay Kumar | Answer | Answered | |
| Hans Petter Birkeland | Reopen | Open | |
| Sarbeswar Meher | Answer | Answered | |
| Sanjay Kumar | Answer | Answered | |
| Hans Petter Birkeland | Confirm | Solved | |
| Hans Petter Birkeland | Comment | Solved | |
| Hans Petter Birkeland | Comment | Solved |
