The best in the world txdy

description djq_cpp is the best in the world. djq_cpp gives you an undirected graph with n points and m edges (no double edge self ring), and the dot label is 1 ∼ n. He wants to test you, How many pairs of integer pairs (l, r) satisfy: • 1 ≤l ≤r ≤n • if the points in the interval [l, r] and the edges between them are retained, and ...

Posted on Tue, 05 Oct 2021 18:37:10 -0400 by ILMV