Https://online.codingblocks.com/player/22586/content/7811/4750

#1

question is not clear to me as well why he first input is 2 here, if we are saying 'The first line contains four integers c1, c2, c3, c4 (1 ≤ c1, c2, c3, c4 ≤ 1000)"

#2

first line tells us about the no. of test cases

first line of each test case*

#3

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