Corporate Flight Bookings
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 = 5Output
[10,55,45,25,25]The bookings reserve seats across flights 1 through 5, producing total seats [10, 55, 45, 25, 25].
Example 2
Input
bookings = [[1,2,10],[2,2,15]], n = 2Output
[10,25]The bookings reserve 10 seats on flights 1 and 2 and 15 additional seats on flight 2, producing [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