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LeetCode Solutions

35. Search Insert Position

Time: $O(\log n)$

Space: $O(1)$

			


class Solution {
 public:
  int searchInsert(vector<int>& nums, int target) {
    int l = 0;
    int r = nums.size();

    while (l < r) {
      const int m = (l + r) / 2;
      if (nums[m] == target)
        return m;
      if (nums[m] < target)
        l = m + 1;
      else
        r = m;
    }

    return l;
  }
};




			


class Solution {
  public int searchInsert(int[] nums, int target) {
    int l = 0;
    int r = nums.length;

    while (l < r) {
      final int m = (l + r) / 2;
      if (nums[m] == target)
        return m;
      if (nums[m] < target)
        l = m + 1;
      else
        r = m;
    }

    return l;
  }
}




			


class Solution:
  def searchInsert(self, nums: List[int], target: int) -> int:
    l = 0
    r = len(nums)

    while l < r:
      m = (l + r) // 2
      if nums[m] == target:
        return m
      if nums[m] < target:
        l = m + 1
      else:
        r = m

    return l