You are given a 0-indexed binary array nums of length n. nums can be divided at index i (where 0 <= i <= n) into two arrays (possibly empty) numsleft and numsright:
numsleft has all the elements of nums between index 0 and i - 1 (inclusive), while numsright has all the elements of nums between index i and n - 1 (inclusive).i == 0, numsleft is empty, while numsright has all the elements of nums.i == n, numsleft has all the elements of nums, while numsright is empty.The division score of an index i is the sum of the number of 0's in numsleft and the number of 1's in numsright.
Return all distinct indices that have the highest possible division score. You may return the answer in any order.
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Example 1:
\n\n\nInput: nums = [0,0,1,0]\nOutput: [2,4]\nExplanation: Division at index\n- 0: numsleft is []. numsright is [0,0,1,0]. The score is 0 + 1 = 1.\n- 1: numsleft is [0]. numsright is [0,1,0]. The score is 1 + 1 = 2.\n- 2: numsleft is [0,0]. numsright is [1,0]. The score is 2 + 1 = 3.\n- 3: numsleft is [0,0,1]. numsright is [0]. The score is 2 + 0 = 2.\n- 4: numsleft is [0,0,1,0]. numsright is []. The score is 3 + 0 = 3.\nIndices 2 and 4 both have the highest possible division score 3.\nNote the answer [4,2] would also be accepted.\n\n
Example 2:
\n\n\nInput: nums = [0,0,0]\nOutput: [3]\nExplanation: Division at index\n- 0: numsleft is []. numsright is [0,0,0]. The score is 0 + 0 = 0.\n- 1: numsleft is [0]. numsright is [0,0]. The score is 1 + 0 = 1.\n- 2: numsleft is [0,0]. numsright is [0]. The score is 2 + 0 = 2.\n- 3: numsleft is [0,0,0]. numsright is []. The score is 3 + 0 = 3.\nOnly index 3 has the highest possible division score 3.\n\n\n
Example 3:
\n\n\nInput: nums = [1,1]\nOutput: [0]\nExplanation: Division at index\n- 0: numsleft is []. numsright is [1,1]. The score is 0 + 2 = 2.\n- 1: numsleft is [1]. numsright is [1]. The score is 0 + 1 = 1.\n- 2: numsleft is [1,1]. numsright is []. The score is 0 + 0 = 0.\nOnly index 0 has the highest possible division score 2.\n\n\n
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Constraints:
\n\nn == nums.length1 <= n <= 105nums[i] is either 0 or 1.Compiled with clang 11 using the latest C++ 17 standard.
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