{"trustable":false,"sections":[{"title":"","value":{"format":"MD","content":"给出若干个字符串,输出这些字符串的最长公共后缀。所谓后缀就是把字符串某个地方开始切开,后面的部分就是后缀,前面的部分就是前缀。例如,\"abcdefg\"与\"abcfg\"都有一个共同的后缀\"fg\",\n "}},{"title":"Input","value":{"format":"MD","content":"由若干组输入组成。每组输入的第一行是一个整数N(N\u0026lt;\u003d200)。N为0时表示输入结束,否则后面会继续有N行输入,每行是一个字符串(字符串内不含空白符)。每个字符串的长度不超过200。\n "}},{"title":"Output","value":{"format":"MD","content":"一行,为N个字符串的最长公共后缀(可能为空)。\n"}},{"title":"Sample Input","value":{"format":"MD","content":"\u003cpre\u003e3\nbaba\naba\ncba\n2\naa\ncc\n2\naa\na\n0\n\u003c/pre\u003e\n "}},{"title":"Sample Output","value":{"format":"MD","content":"\u003cpre\u003eba\n\na\n\u003c/pre\u003e\n "}}]}