eagletmt https://blog.hatena.ne.jp/eagletmt/ EAGLE 雑記 https://eagletmt.hatenadiary.org/ http://www.ioi-jp.org/joi/2010/2011-yo-prob_and_sol/index.html 問いてみた． 1 Total Time 足して割るだけ int main() { int a, b, c, d; cin >> a >> b >> c >> d; const int sec = a+b+c+d; cout << sec/60 << endl; cout << sec%60 << endl; return 0; } 2 Ring やるだけ．指輪の長さが10固定で，探したい文字列の長さが10以下なので2つ繋げて探すだけでもよさそう． bool check(… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Feagletmt.hatenadiary.org%2Fentry%2F20101221%2F1292901461" title=" JOI予選 - EAGLE 雑記" 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 2010-12-21 12:17:41 rich https://eagletmt.hatenadiary.org/entry/20101221/1292901461 1.0 100%