April Fools' Problem (hard)

10000ms

262144K

Description:

The plans for HC² are rather far-fetched: we are just over 500 000 days away from HC² 3387, for example, and accordingly we are planning to have a couple hundred thousand problems in that edition (we hope that programming contests will become wildly more popular). The marmots need to get to work, and they could use a good plan...

Input:

Same as the medium version, but the limits have changed: 1 ≤ k ≤ n ≤ 500 000.

Output:

Same as the medium version.

Sample Input:

8 4
3 8 7 9 9 4 6 8
2 5 9 4 3 8 9 1

Sample Output:

Informação

Provedor Codeforces

Código CF802O