class Solution {
    public int[] corpFlightBookings(int[][] bookings, int n) {
        int[] nums = new int[n];
        for(int[] booking:bookings){
            nums[booking[0]-1] += booking[2];
            if(booking[1] < n){
                nums[booking[1]] -= booking[2];
            } 
        }
        for(int i = 1;i < n; i++){
            nums[i] += nums[i-1];
        }
        return nums;
    }
}