I'm trying to solve this problem on LightOJ. What i've done is to calculate the total perimeter of the hull points and then add the additional curved portion as (pi-theta)*r [from picture below]
But i'm getting wrong answer. Is my approach wrong?
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I'm getting wrong answer on test 34. Spent much time on it. Can't find the bug :( Can anyone tell me what i'm doing wrong?
How can i filter the problemset so that it shows only div2 C's of all contests?
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