Corporate Flight Bookings
There are n flights that are labeled from 1 to n.
There are n flights that are labeled from 1 to n.
You are given an array of flight bookings bookings, where bookings[i] = [firsti, lasti, seatsi] represents a booking for flights firsti through lasti (inclusive) with seatsi seats reserved for each flight in the range.
Return an array answer of length n, where answer[i] is the total number of seats reserved for flight i.
Example 1
Input: bookings = [[1,2,10],[2,3,20],[2,5,25]], n = 5
Output: [10,55,45,25,25]
Explanation: Flight labels: 1 2 3 4 5 Booking 1 reserved: 10 10 Booking 2 reserved: 20 20 Booking 3 reserved: 25 25 25 25 Total seats: 10 55 45 25 25 Hence, answer = [10,55,45,25,25]
Example 2
Input: bookings = [[1,2,10],[2,2,15]], n = 2
Output: [10,25]
Explanation: Flight labels: 1 2 Booking 1 reserved: 10 10 Booking 2 reserved: 15 Total seats: 10 25 Hence, answer = [10,25]
Constraints
- 1 <= n <= 2 * 10^4
- 1 <= bookings.length <= 2 * 10^4
- bookings[i].length == 3
- 1 <= firsti <= lasti <= n
- 1 <= seatsi <= 10^4
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