#1354Medium#2 in Snowflake's list· asked at 22 companies
Non-overlapping Intervals
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What we know
Example 1
Input: intervals = [[1,2],[2,3],[3,4],[1,3]] Output: 1
Remove [1,3].
Example 2
Input: intervals = [[1,2],[1,2],[1,2]] Output: 2
Example 3
Input: intervals = [[1,2],[2,3]] Output: 0
Constraints
- •
1 <= intervals.length <= 10^5 - •
intervals[i].length == 2 - •
-5 * 10^4 <= start_i < end_i <= 5 * 10^4