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Answers and rating deltas for
Any concise way to calculate n * (n+1) / 2 and handling overflow at the same time
| Author | Votes | Δ |
|---|---|---|
| chqrlie | 4 | +1.50 |
| Clifford | 3 | +0.68 |
| Amadeus | 3 | +0.53 |
| 0___________ | 1 | -0.82 |
| Serge | 1 | -1.38 |
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