This is the link of problem.I could not understand the editorial.Please help me out.
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Codeforces (c) Copyright 2010-2024 Mike Mirzayanov
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This is my submission — http://abc076.contest.atcoder.jp/submissions/1728533 . f(i) denotes the maximum speed we can have at the start of the ith interval. This speed should not be greater than v[i],v[i-1],f[i-1]+t[i],and
) . Now that you have the starting ( f(i) ) and ending speeds ( f(i+1) ) for each interval, calculate the maximum distance we can travel within that interval.
Is there a solution other than dp?
You can solve with math. You can see square1001 ’s comment below.
Hi, I'm the writer of this round — if you didn't understand my editorial, I'm sorry (maybe because of my bad English).
But, hope you can understand with seeing this diagram. The area of blue place represents the answer.