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The 2019 ICPC Caribbean Local Contests (Real)

Ended

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Clarifications

#	When?	Question	Answer
1	5 years, 7 months ago	H - Queries with recurrences How does array "A" change its values?	Operations of type 1 change the values of the array. The problem statement was modified to clarify this point.
2	5 years, 7 months ago	E - Rotate circles In this problem, the first test case is comparing 4 circles at the same time or is it comparing 2 and 2?	Two adjacent regions of EVERY pair of neighboring circles must have the same color.
3	5 years, 7 months ago	D - Set What does the last constraint stand for (the one that is about the total amount of elements in R)?	In case it is confusing: "the total AMOUNT of elements in R" stands for "the total NUMBER of elements in R".
4	5 years, 7 months ago	D - Set Is there more than one set that satisfies the conditions?	Any valid set will be Accepted.
5	5 years, 7 months ago	I - Build me a fence in problem I, the cordenates of points must be integer?	No
6	5 years, 7 months ago	E - Rotate circles Adjacency could be with circles in one column too?	Yes.
7	5 years, 7 months ago	D - Set Can the set R have repeated elements?	No.
8	5 years, 7 months ago	B - String in the tree II The only difference between problem A and problem B are in the constraints.	Don't look further!
9	5 years, 7 months ago	General Notice that in problems C (Chinese curves) and E (Rotate circles) colors of the images are relevant to understand the problem. If you have a black-and-white printed version, please see online version.	-
10	5 years, 7 months ago	General You can download PDF versions of the problems using the following links: English: https://matcomgrader.com/media/contests/6245/secured/9XYTPKJ9CVRfAG8BH4trZTNUcygMN3Wn/problems-en.pdf Spanish: https://matcomgrader.com/media/contests/6245/secured/9XYTPKJ9CVRfAG8BH4trZTNUcygMN3Wn/problems-es.pdf	Good luck!