結果

問題 No.326 あみだますたー
ユーザー threepipes_sthreepipes_s
提出日時 2015-12-19 00:27:03
言語 Java21
(openjdk 21)
結果
AC  
実行時間 252 ms / 2,000 ms
コード長 3,287 bytes
コンパイル時間 3,463 ms
コンパイル使用メモリ 81,792 KB
実行使用メモリ 58,408 KB
最終ジャッジ日時 2023-08-07 18:21:58
合計ジャッジ時間 8,057 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge14
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 43 ms
49,436 KB
testcase_01 AC 72 ms
50,812 KB
testcase_02 AC 122 ms
54,152 KB
testcase_03 AC 227 ms
58,104 KB
testcase_04 AC 152 ms
54,312 KB
testcase_05 AC 44 ms
49,440 KB
testcase_06 AC 181 ms
57,224 KB
testcase_07 AC 78 ms
50,452 KB
testcase_08 AC 190 ms
54,700 KB
testcase_09 AC 243 ms
58,408 KB
testcase_10 AC 252 ms
57,916 KB
testcase_11 AC 93 ms
53,440 KB
testcase_12 AC 183 ms
54,888 KB
testcase_13 AC 218 ms
57,952 KB
testcase_14 AC 126 ms
54,056 KB
testcase_15 AC 136 ms
54,288 KB
testcase_16 AC 163 ms
55,496 KB
testcase_17 AC 153 ms
56,332 KB
testcase_18 AC 141 ms
53,948 KB
testcase_19 AC 182 ms
55,504 KB
testcase_20 AC 75 ms
51,016 KB
testcase_21 AC 75 ms
50,868 KB
testcase_22 AC 184 ms
56,700 KB
testcase_23 AC 185 ms
55,140 KB
testcase_24 AC 232 ms
57,924 KB
testcase_25 AC 225 ms
57,984 KB
testcase_26 AC 104 ms
53,836 KB
testcase_27 AC 209 ms
56,212 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
 
public class Main {
	public static void main(String[] args) throws NumberFormatException,
	IOException {Solve solve = new Solve();solve.solve();}
}
class Solve{
	void dump(int[]a){for(int i=0;i<a.length;i++)
		System.out.print(a[i]+" ");System.out.println();};
    void solve() throws NumberFormatException, IOException{
        final ContestScanner in = new ContestScanner();
        Writer out = new Writer();
        int n = in.nextInt();
        int k = in.nextInt();
        int[] a = new int[n];
        for(int i=0; i<n; i++){
        	a[i] = i;
        }
        for(int i=0; i<k; i++){
        	int x = in.nextInt()-1;
        	int y = in.nextInt()-1;
        	int tmp = a[x];
        	a[x] = a[y];
        	a[y] = tmp;
        }
        int[] map = new int[n];
        for(int i=0; i<n; i++){
        	map[a[i]] = i;
        }
        List<String> list = new ArrayList<>();
        int[] b = new int[n];
        for(int i=0; i<n; i++){
        	b[in.nextInt()-1] = i;
        }
        for(int i=0; i<n; i++){
        	for(int j=map[b[i]]; j>i; j--){
        		list.add((j)+" "+(j+1));
        		map[a[j]]--;
        		map[a[j-1]]++;
        		int tmp = a[j-1];
        		a[j-1] = a[j];
        		a[j] = tmp;
        	}
        }
        System.out.println(list.size());
        for(String s: list) System.out.println(s);
    }
}

class MultiSet<T> extends HashMap<T, Integer>{
	@Override
	public Integer get(Object key){return containsKey(key)?super.get(key):0;}
	public void add(T key,int v){put(key,get(key)+v);}
	public void add(T key){put(key,get(key)+1);}
	public void sub(T key){
		final int num = get(key);
		if(num==1) remove(key);
		else put(key, num-1);
	}
}
class Timer{
	long time;
	public void set(){time = System.currentTimeMillis();}
	public long stop(){return System.currentTimeMillis()-time;}
}
class Writer extends PrintWriter{
	public Writer(String filename) throws IOException
	{super(new BufferedWriter(new FileWriter(filename)));}
	public Writer() throws IOException{super(System.out);}
}
class ContestScanner {
	private BufferedReader reader;
	private String[] line;
	private int idx;
	public ContestScanner() throws FileNotFoundException 
	{reader = new BufferedReader(new InputStreamReader(System.in));}
	public ContestScanner(String filename) throws FileNotFoundException
	{reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename)));}
	public String nextToken() throws IOException {
		if (line == null || line.length <= idx) {
			line = reader.readLine().trim().split(" ");
			idx = 0;
		}
		return line[idx++];
	}
	public String readLine() throws IOException{return reader.readLine();}
	public long nextLong() throws IOException, NumberFormatException
	{return Long.parseLong(nextToken());}
	public int nextInt() throws NumberFormatException, IOException
	{return (int) nextLong();}
	public double nextDouble() throws NumberFormatException, IOException 
	{return Double.parseDouble(nextToken());}
}
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