Square brackets

#1

sir there is something wrong in this question as i have opened the test cases and

  1. first of all k numbers are not in increasing order as mentioned in the question
  2. also in first test case there is a case of
    40 4
    78 63 19 46
    how come it can have answer 0 as out of 80 only 4 positions are initialized answer should be atleast 1
    please look into the matter and by the time provide some other link where i can submit this question
#2

Question is correct , if you have any doubt you can refer the actual question here.

#3

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