nodchip https://blog.hatena.ne.jp/nodchip/ nodchipの日記 https://nodchip.hatenadiary.org/ C++ならnext_permutation()で終り int main() { string line; while (getline(cin, line) && line != "#") { if (next_permutation(line.begin(), line.end())) { cout << line << endl; } else { cout << "No Successor" << endl; } } } 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnodchip.hatenadiary.org%2Fentry%2F20100518%2F1274184954" title="PKU 1146 ID Codes - nodchipの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-05-18 21:15:54 rich https://nodchip.hatenadiary.org/entry/20100518/1274184954 1.0 100%