14.最长公共前缀.cpp

/*
 * @lc app=leetcode.cn id=14 lang=cpp
 *
 * [14] 最长公共前缀
 */

// @lc code=start
class Solution {
public:
    string longestCommonPrefix(vector<string>& strs) {
        string res;
        if (!strs.size()) return res;
        for (int i = 0; i < strs[0].size(); i++) {
            char c = strs[0][i];
            for (int j = 1; j < strs.size(); j++) {
                if (strs[j][i] != c) return res;   
            }
            res += c;
        }
        return res;
    }
};
// @lc code=end