| # | User | Rating |
|---|---|---|
| 1 | jiangly | 3640 |
| 2 | Benq | 3593 |
| 3 | tourist | 3572 |
| 4 | orzdevinwang | 3561 |
| 5 | cnnfls_csy | 3539 |
| 6 | ecnerwala | 3534 |
| 7 | Radewoosh | 3532 |
| 8 | gyh20 | 3447 |
| 9 | Rebelz | 3409 |
| 10 | Geothermal | 3408 |
| # | User | Contrib. |
|---|---|---|
| 1 | maomao90 | 174 |
| 2 | awoo | 164 |
| 3 | adamant | 162 |
| 4 | TheScrasse | 159 |
| 5 | nor | 158 |
| 6 | maroonrk | 156 |
| 7 | -is-this-fft- | 151 |
| 8 | SecondThread | 147 |
| 9 | orz | 146 |
| 10 | pajenegod | 145 |
You are interpreting numbers as string and then using Distinct(). Think of what happens when two digit numbers appear in input and Distinct which interprets them as character acts on them.