xor with subset exactly one test case going wrong

I got all test case correct except task 1 in subtask 2, so i am getting only 30 points…any special cases
or any silly mistakes??? All other testcases AC.

sorry , you have to find it out yourself :slight_smile:

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You are NOT allowed to ask for help during the contest !!! Read the Code of Conduct and guidelines !

  • you are not allowed :slight_smile:
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@acodebreaker2: Thanks!