题解 | #牛族寻找祖先#
牛族寻找祖先
https://www.nowcoder.com/practice/eea77a55616f4961801796c7d36369db
import java.util.*;
public class Solution {
public String findAncestor (String[] names) {
String split=names[0];
for (int i=1;i< names.length;i++){
int x=0,y=0,z=split.length();
while (x<z&&split.charAt(x)==names[i].charAt(y)){
x+=1;
y+=1;
}
if (x>0){
split= split.substring(0,x);
}else {
split="";
break;
}
}
return split；
}
}
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