LeetCode is a great resource for practicing these types of questions. You can create a free account and practice hundreds of coding questions you might get in an interview. How to Prepare for an Independent Coding Test An independent coding test focuses on your ability to code and solve proble...
string longestCommonPrefix(vector<string> &strs) { // Start typing your C/C++ solution below // DO NOT write int main() function //sort(strs.begin(),strs.end()); string result(""); if (strs.size()==0) { return result; } int idx = 0; while(1) { for(int i=0;i<strs....
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Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia:“The lowest common ancestor is defined between two nodes p and q as the lowest node in T that has both p and q as descendants (where we allow...