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571. Find Median Given Frequency of Numbers

The Numbers table keeps the value of number and its frequency.

+----------+-------------+
|  Number  |  Frequency  |
+----------+-------------|
|  0       |  7          |
|  1       |  1          |
|  2       |  3          |
|  3       |  1          |
+----------+-------------+

In this table, the numbers are 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 3, so the median is (0 + 0) / 2 = 0.

+--------+
| median |
+--------|
| 0.0000 |
+--------+

Write a query to find the median of all numbers and name the result as median.

Difficulty:

Hard

Lock:

Prime

Company:

Pinterest

Problem Solution

571-Find-Median-Given-Frequency-of-Numbers

All Problems:

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All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.