# ---
# title: 180. Consecutive Numbers
# id: problem180
# author: Tian Jun
# date: 2020-10-31
# difficulty: Medium
# categories: 
# link: <https://leetcode.com/problems/consecutive-numbers/description/>
# hidden: true
# ---
# 
# Write a SQL query to find all numbers that appear at least three times
# consecutively.
# 
#     
#     
#     +----+-----+
#     | Id | Num |
#     +----+-----+
#     | 1  |  1  |
#     | 2  |  1  |
#     | 3  |  1  |
#     | 4  |  2  |
#     | 5  |  1  |
#     | 6  |  2  |
#     | 7  |  2  |
#     +----+-----+
#     
# 
# For example, given the above `Logs` table, `1` is the only number that appears
# consecutively for at least three times.
# 
#     
#     
#     +-----------------+
#     | ConsecutiveNums |
#     +-----------------+
#     | 1               |
#     +-----------------+
#     
# 
# 
## @lc code=start
using LeetCode

## add your code here:
## @lc code=end
