题解 | #最长公共前缀#

/**
 * 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字符串一维数组
 * @param strsLen int strs数组长度
 * @return string字符串
 */
#include <stdio.h>
char* longestCommonPrefix(char** strs, int strsLen ) {
    // write code here
   if (strsLen == 0) {
        return "";  
   }
   if (strsLen == 1) {
         return *strs;
   }
   int j = 0;
   while (1) {
       char common = strs[0][j];
       for (int i = 0; i <strsLen; i++) {
       if (strs[i][j] != common ) {
                 strs[0][j] = '\0';
                 return strs[0];
             }
        }
        j++;
   }
}