3836 - Computers

[helloneo]

Hello..~
I can't understand this problem..
Can anybody explain the sample input..?

input:

Code: Select all

3
3
5 7 50
6 8
10

output:

Code: Select all

19

Thanks..

[Arne]

The maintenance cost is given "summed up". E.g., in the sample input, the cost of owning the second computer for one year is 6 and for two years is 8 (not 6 + 8).

The optimal solution to the sample case then consists of buying a new computer in the first and second year which leads to a cost of 3 + 5 for the first year and 3 + 8 for the second and third year.

Don't worry if you didn't get it at first sight, I also had to have someone explain it to me.

[helloneo]

Ah.. Now I get it..
Thanks a lot..

[ardyhikl]

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