Poison

704. Binary Search

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class Solution {
    public int search(int[] nums, int target) {
        int left = 0, right = nums.length - 1;
        while (left <= right) {
            int mid = (left + right) >>> 1;
            if (nums[mid] < target) {
                left = mid + 1;
            } else if (nums[mid] > target) {
                right = mid - 1;
            } else {
                return mid;
            }
        }

        return -1;
    }
}
Reference

704. Binary Search