题解 | #最长公共前缀#
最长公共前缀
https://www.nowcoder.com/practice/28eb3175488f4434a4a6207f6f484f47
/** * 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 */ char* longestCommonPrefix(char** strs, int strsLen ) { // write code here if (strsLen == 0) return ""; char *initial = strs[0]; for (int i = 1; i < strsLen; i++) { if (initial[0] == strs[i][0]) { for (int j = 1; initial[j] != '\0'; j++) { if (initial[j] != strs[i][j]) { initial[j] = '\0'; } } }else { return ""; } } return initial; }