[Leetcode]_14 Longest Common Prefix
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/** * Index: 14 * Title: Longest Common Prefix * Author: ltree98 **/
题意就是在一个字符串集合中找出公共前缀。
其实就是遍历，
每个都进行比较，
当有不同的出现，直接返回即可。
没有什么难度。
class Solution {public: string longestCommonPrefix(vector<string>& strs) { string ans = ""; for(int index = 0; index <= strs.size() && strs.size(); index++) { for(int j = 0; j < strs.size(); j++) if(index >= strs[j].size() ||(j > 0 && strs[j][index] != strs[j-1][index])) return ans; ans += strs[0][index]; } return ans; }}; 0 0
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