# Given an array of integers nums and an integer k, # return the total number of continuous subarrays whose sum equals k. # - Instead of checking all subarrays (O(n^2)), we use prefix sums. # - If ...
System.out.println(subarrayDivByK(new int[]{4, 5, 0, -2, -3, 1}, 5)); System.out.println(subarrayDivByK(new int[]{5}, 9)); System.out.println(subarrayDivByK(new int ...
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