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what do u mean by previous element?
is it a[p-1]for a[p] or the previous state of a[p] before the current updation operation?
difference is betweentwo succesive elements or in the same element before and after one query is executed?
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Array Manipulation
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what do u mean by previous element? is it a[p-1]for a[p] or the previous state of a[p] before the current updation operation? difference is betweentwo succesive elements or in the same element before and after one query is executed?