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| class Solution { | |
| public: | |
| int search(vector<int>& nums, int target) { | |
| int l = 0; | |
| int r = nums.size() - 1; | |
| while(l <= r){ | |
| int mid = (l + r) / 2; | |
| if(nums[mid] == target) return mid; | |
| if(nums[mid] < target) | |
| l = mid + 1; | |
| else | |
| r = mid - 1; | |
| } | |
| return -1; | |
| } | |
| }; |
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