[Improve] add Use isEmpty() instead of length() == 0 or `size() =…
#531
| Job | Run time |
|---|---|
| 2m 2s | |
| 2m 2s |
isEmpty() instead of length() == 0 or `size() =…
#531
| Job | Run time |
|---|---|
| 2m 2s | |
| 2m 2s |