Task: | Järjestys |
Sender: | kh |
Submission time: | 2016-10-15 14:05:21 +0300 |
Language: | Java |
Status: | READY |
Result: | 56 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 19 |
#2 | ACCEPTED | 37 |
#3 | TIME LIMIT EXCEEDED | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.13 s | 1 | details |
#2 | ACCEPTED | 0.34 s | 2 | details |
#3 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Scanner; public class Jarjestys { public static void main(String[] args) { Scanner lukija = new Scanner(System.in); int koko = Integer.parseInt(lukija.nextLine()); List<Integer> luvut = new ArrayList<>(); List<Integer> kopio = new ArrayList<>(); StringBuilder output = new StringBuilder(); int kaannot = 0; ArrayList<Integer> kaantolista = new ArrayList<>(); boolean lopeta = false; HashMap<Integer, Integer> indeksit = new HashMap<>(); for (int i = 0; i < koko; i++) { int luku = lukija.nextInt(); luvut.add(luku); indeksit.put(luku, i); } for (int i = koko - 1; i >= 0; i--) { if (luvut.get(i) != i + 1) { int kaanto = haeKaannettavanPaikka(i + 1, indeksit, kaantolista); if (kaanto > 0) { kaannot++; output.append(kaanto + 1).append(" "); kaantolista.add(kaanto + 1); List<Integer> sub; kopio.clear(); sub = luvut.subList(0, kaanto + 1); Collections.reverse(sub); kopio.addAll(sub); sub = luvut.subList(kaanto + 1, i + 1); kopio.addAll(sub); } else { kopio.clear(); kopio.addAll(luvut); } Collections.reverse(kopio); luvut.clear(); luvut.addAll(kopio); kaannot++; output.append(i + 1).append(" "); kaantolista.add(i + 1); } else if (i < 5) { boolean jarjestyksessa = true; for (int j = 0; j < i; j++) { if (luvut.get(j) != j + 1) { jarjestyksessa = false; break; } } if (jarjestyksessa) { lopeta = true; System.out.println(kaannot); System.out.println(output); } if (lopeta) { break; } } luvut.remove(i); if (i % 5000 == 0 || i == 50) { kaantolista.clear(); for (int j = 0; j < i; j++) { indeksit.put(luvut.get(j), j); } } } } private static int haeKaannettavanPaikka(int haettava, HashMap<Integer, Integer> ind, ArrayList<Integer> kaannot) { int indeksi = ind.get(haettava); if (!kaannot.isEmpty()) { for (int kaanto : kaannot) { if (indeksi < kaanto) { indeksi = kaanto - indeksi - 1; } } } return indeksi; } }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
10 9 3 4 7 6 5 10 2 8 1 |
correct output |
---|
32 10 10 9 10 9 8 7 9 4 2 1 4 5 2... |
user output |
---|
11 7 10 4 9 7 8 4 7 3 4 2 |
Test 2
Group: 2
Verdict: ACCEPTED
input |
---|
1000 650 716 982 41 133 1000 876 92... |
correct output |
---|
3984 207 207 206 207 128 127 126 12... |
user output |
---|
1976 6 1000 904 999 964 998 333 997... |
Test 3
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 94703 47808 62366 31885 7091 8... |
correct output |
---|
399956 98676 98676 98675 98676 62994 ... |
user output |
---|
(empty) |