leetcode-com-explore-challenge-card-june-leetcoding-challenge-541-week-3-june-15th-june-21st-3361.cpp

class Solution {
public:
    TreeNode* searchBST(TreeNode* root, int value) {
            if(root==NULL || value==root->val){
                return root;
            }
            if(value<root->val){
                return searchBST(root->left,value);
            }
            else{
                return searchBST(root->right,value);
            }
    }
};