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( Method 1 ) Take the scores of n students as input, sort them in descending order, and then divide them into k groups. Assume
Method Take the scores of n students as input, sort them in descending order, and then divide them into k groups. Assume that the lower group numbers correspond to higher scores. Starting from i up to k calculate the differences between the minimum score of the i th group and the maximum score of the ith group, and maximize the sum of these differences. However, each group must have at least one student Take input from standard input. The first line contains n and k The next line contains the scores of n students in ascending order of enrollment numbers. Here, n is a number greater than or equal to k Each score can range from to and ties are possible. Surprisingly, n can be as large as k is a positive integer less than or equal to Note: depending on the school, each grade A B C D may be divided into or categories Input standardconsole input Output standardconsole output
Method
Take the scores of n students as input, sort them in descending order,
and then divide them into k groups.
Assume that the lower group numbers correspond to higher scores.
Starting from i up to k calculate the differences between the
minimum score of the i
th group and the maximum score of the ith
group, and maximize the sum of these differences.
However, each group must have at least one student
Take input from standard input.
The first line contains n and k
The next line contains the scores of n students in ascending order of
enrollment numbers.
Here, n is a number greater than or equal to k
Each score can range from to and ties are possible.
Surprisingly, n can be as large as
k is a positive integer less than or equal to Note: depending on the
school, each grade A B C D may be divided into or categories
Input standardconsole input
Output standardconsole output
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