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Product of Array Except Self #74

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Tracked by #101
fkdl0048 opened this issue Oct 9, 2024 · 0 comments
Closed
Tracked by #101

Product of Array Except Self #74

fkdl0048 opened this issue Oct 9, 2024 · 0 comments
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fkdl0048 commented Oct 9, 2024

class Solution {
public:
    vector<int> productExceptSelf(vector<int>& nums) {
        vector<int> output(nums.size(), 1);

        int left = 1;
        for (int i = 0; i < nums.size(); i++) {
            output[i] *= left;
            left *= nums[i];
        }

        int right = 1;
        for (int i = nums.size() - 1; i >= 0; i--) {
            output[i] *= right;
            right *= nums[i];
        }

        return output;
    }
};
  • 자신을 제외한 수를 곱한 결과라 포인터를 양쪽에서 곱해가며 구한다.
@fkdl0048 fkdl0048 mentioned this issue Oct 9, 2024
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@fkdl0048 fkdl0048 self-assigned this Oct 9, 2024
@fkdl0048 fkdl0048 added this to Todo Oct 9, 2024
@github-project-automation github-project-automation bot moved this to Todo in Todo Oct 9, 2024
@fkdl0048 fkdl0048 moved this from Todo to In Progress in Todo Oct 9, 2024
@fkdl0048 fkdl0048 added this to the LeetCode milestone Oct 9, 2024
@github-project-automation github-project-automation bot moved this from In Progress to Done in Todo Oct 12, 2024
@fkdl0048 fkdl0048 mentioned this issue Oct 15, 2024
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