http://poj.org/moreproblemを呼び出すと，問題の一覧を取得することが出来ます # -*- encoding: UTF-8 -*- require 'rexml/document' require 'open-uri' require 'net/http' require 'scanf' http=Net::HTTP.new("poj.org/",80) instr=http.post("moreprob…

public class UnionFind{ int[] par; UnionFind(int n){ par=new int[n]; for(int i=0;i

import java.util.*; import java.math.*; import java.io.*; import java.util.regex.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.lang.System.*; public class Main { Scanner cin; void run(){ cin=new Sc…

デバッグが非常に大変だったので． Imports System Imports System.Text Imports System.IO Imports System.Diagnostics Module Module1 Public output As New StringBuilder Public sw As StreamWriter Public n As Integer, k As Integer Public res() As …