For the test case [7 7 7] all of [1 7] [2 7] [3 7] should be valid responses, right? Also you don't have any test cases where the game is not winnable.
Find the sum of the elements in the "second" diagonal
Are all the three given point in the same line?
Number of paths on a grid
Number of cyles and fixed points in a permutation
Method of Common Differences part-2
Index of a Rational number
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