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Answers and rating deltas for
Which is the fastest way to return the number of different rows in a matrix A?
| Author | Votes | Δ |
|---|---|---|
| Sergey Kalinichenko | 5 | +0.21 |
| huseyin tugrul buyukisik | 1 | +1.07 |
| Happy Green Kid Naps | 0 | -2.75 |
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