C++
class Solution {
public:
string longestCommonPrefix(vector<string>& strs) {
if(strs.size()==0) return "";
for(int i=0;i<strs
class Solution {
public:
string longestCommonPrefix(vector<string>& strs) {
if(strs.size()==0) return "";
for(int i=0;i<strs