题解 | 最长公共前缀
最长公共前缀
https://www.nowcoder.com/practice/28eb3175488f4434a4a6207f6f484f47
class Solution {
public:
/**
* 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可
*
*
* @param strs string字符串vector
* @return string字符串
*/
string longestCommonPrefix(vector<string>& strs) {
if (strs.size() == 0) return "";
int idx = 0;
for (; idx < strs[0].size(); ++idx) {
for (int i = 1; i < strs.size(); ++i) {
if (strs[i][idx] != strs[0][idx]) {
return strs[0].substr(0, idx);
}
}
}
return strs[0].substr(0, idx);
}
};
