[https://mirror.codeforces.com/blog/entry/92765](https://mirror.codeforces.com/blog/entry/92765)<br>↵
[https://mirror.codeforces.com/blog/entry/92729](https://mirror.codeforces.com/blog/entry/92729)
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en4 |
|
rkguptagkp462 | 2021-07-13 23:30:02 | 396 | Reverted to en2 | |
| en3 |
|
rkguptagkp462 | 2021-07-13 22:34:07 | 396 | ||
| en2 |
|
rkguptagkp462 | 2021-07-13 20:26:29 | 14 | ||
| en1 |
|
rkguptagkp462 | 2021-07-13 20:25:45 | 393 | Initial revision (published) |