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LeetCode Day29 search-insert-position

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