text: char *longestCommonPrefix(char **strs, int strsSize) {
  	size_t len = strlen(strs[0]);
  	for (int i = 0; i < len; i++) {
  		for (int j = 1; j < strsSize; j++) {
  			if (strs[0][i] != strs[j][i]) {
  				strs[0][i] = '\0';
  				return strs[0];
  			}
  		}
  	}
  	return strs[0];
  }
  