Last Updated: 1 Aug, 2021
Shortest Distance
Moderate
Asked in company
Table point holds the x coordinate of some points on x-axis in a plane, which are all integers.
Write a query to find the shortest distance between two points in these points.
| x |
|-----|
| -1 |
| 0 |
| 2 |
The shortest distance is '1' obviously, which is from point '-1' to '0'. So the output is as below:
| shortest|
|---------|
| 1 |
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