Problems > Non-Overlapping Gigs

Non-Overlapping Gigs

Difficulty: 1900 5000 ms 128 MB

dp binary-search

Each job has a start, an end, and a profit; you can only work one job at a time (a job ending at time t frees you for a job starting at t). Maximize total profit.

Input: the first line has N; each of the next N lines has start end profit.

Output: the maximum total profit.

Constraints:

  • 1 ≤ N ≤ 105
  • 0 ≤ start < end ≤ 109
  • 1 ≤ profit ≤ 104

Sample Tests

Input 1
3
1 3 50
2 5 20
4 6 70
Output 1
120
Input 2
1
0 1 5
Output 2
5

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