結果
| 問題 |
No.3336 Coincidence
|
| コンテスト | |
| ユーザー |
 kencho
|
| 提出日時 | 2025-10-20 18:34:48 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 18,828 bytes |
| コンパイル時間 | 3,284 ms |
| コンパイル使用メモリ | 90,404 KB |
| 実行使用メモリ | 54,080 KB |
| 最終ジャッジ日時 | 2025-11-07 20:36:29 |
| 合計ジャッジ時間 | 23,692 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | WA * 33 |
ソースコード
import java.util.*;
public class Main {
public static final int MOD998 = 998244353;
public static final int MOD100 = 1000000007;
public static void main(String[] args) throws Exception {
ContestScanner sc = new ContestScanner();
ContestPrinter cp = new ContestPrinter();
int T = sc.nextInt();
for (int t = 0; t < T; t++) {
solve(sc, cp);
}
cp.close();
}
static void solve(ContestScanner sc, ContestPrinter cp) {
int[][] pos = new int[4][2];
for (int i = 0; i < 8; i++) {
pos[i / 2][i % 2] = sc.nextInt();
}
if ((Math.abs(pos[0][0] - pos[1][0]) + Math.abs(pos[0][1] - pos[1][1])) % 2 == 1) {
cp.println(-1);
} else {
ArrayList<int[]> ans;
ans = solve1(pos);
if (ans != null) {
cp.println(ans.size());
for (int[] p : ans) {
cp.println(p[0] + " " + p[1]);
}
return;
}
for (int i = 0; i < 4; i++) {
int temp = pos[i][0];
pos[i][0] = pos[i][1];
pos[i][1] = temp;
}
ans = solve1(pos);
if (ans != null) {
cp.println(ans.size());
for (int[] p : ans) {
cp.println(p[1] + " " + p[0]);
}
return;
}
for (int i = 0; i < 4; i++) {
int temp = pos[i][0];
pos[i][0] = pos[i][1];
pos[i][1] = temp;
}
ans = makePath(
new int[][] { pos[0], { pos[0][0], pos[1][1] }, pos[1] }, 1);
cp.println(ans.size());
for (int[] p : ans) {
cp.println(p[0] + " " + p[1]);
}
return;
}
}
static ArrayList<int[]> solve1(int[][] pos) {
ArrayList<Integer> xs = new ArrayList<>();
ArrayList<Integer> ys = new ArrayList<>();
for (int i = 0; i < 4; i++) {
xs.add(pos[i][0]);
ys.add(pos[i][1]);
}
xs.sort(null);
ys.sort(null);
int[][] cpos = new int[4][2];
for (int i = 0; i < 4; i++) {
cpos[i][0] = xs.indexOf(pos[i][0]);
cpos[i][1] = ys.indexOf(pos[i][1]);
}
if (cpos[0][0] == 0 && cpos[1][0] == 3) {
return makePath(
new int[][] { pos[0], { -110, pos[0][1] }, { -110, -110 }, { 110, -110 }, { 110, pos[1][1] },
pos[1] },
1);
} else if (cpos[0][0] == 3 && cpos[1][0] == 0) {
return makePath(
new int[][] { pos[1], { -110, pos[1][1] }, { -110, -110 }, { 110, -110 }, { 110, pos[0][1] },
pos[0] },
1);
} else if (cpos[0][0] == 0 && cpos[1][0] == 1 || cpos[0][0] == 3 && cpos[1][0] == 2) {
return makePath(
new int[][] { pos[0], { pos[0][0], pos[1][1] }, pos[1] }, 1);
} else if (cpos[0][0] == 1 && cpos[1][0] == 0 || cpos[0][0] == 2 && cpos[1][0] == 3) {
return makePath(
new int[][] { pos[0], { pos[0][1], pos[1][0] }, pos[1] }, 1);
}
int[][] pairs = new int[][] { { 0, 3 }, { 1, 2 } };
for (int[] p : pairs) {
if (cpos[p[0]][0] == 0 && cpos[p[1]][0] == 3) {
return makePath(
new int[][] { pos[p[0]], { -190, pos[p[0]][1] }, { -190, -190 }, { 190, -190 },
{ 190, pos[p[1]][1] }, pos[p[1]] },
2);
} else if (cpos[p[0]][0] == 3 && cpos[p[1]][0] == 0) {
return makePath(
new int[][] { pos[p[1]], { -190, pos[p[1]][1] }, { -190, -190 }, { 190, -190 },
{ 190, pos[p[0]][1] }, pos[p[0]] },
0);
} else if (cpos[p[0]][0] == 0 && cpos[p[1]][0] == 1) {
return makePath(
new int[][] { { -108, -108 }, { 110, -108 }, { 110, -110 }, { -110, -110 },
{ -110, pos[p[0]][1] }, pos[p[0]],
{ pos[p[0]][0], pos[p[1]][1] },
pos[p[1]] },
0);
} else if (cpos[p[0]][0] == 1 && cpos[p[1]][0] == 0) {
return makePath(
new int[][] { { -108, -108 }, { 110, -108 }, { 110, -110 }, { -110, -110 },
{ -110, pos[p[1]][1] }, pos[p[1]],
{ pos[p[1]][0], pos[p[0]][1] },
pos[p[0]] },
0);
} else if (cpos[p[0]][0] == 3 && cpos[p[1]][0] == 2) {
return makePath(
new int[][] { { 108, -108 }, { -110, -108 }, { -110, -110 }, { 110, -110 },
{ 110, pos[p[0]][1] }, pos[p[0]],
{ pos[p[0]][0], pos[p[1]][1] },
pos[p[1]] },
0);
} else if (cpos[p[0]][0] == 2 && cpos[p[1]][0] == 3) {
return makePath(
new int[][] { { 108, -108 }, { -110, -108 }, { -110, -110 }, { 110, -110 },
{ 110, pos[p[1]][1] }, pos[p[1]],
{ pos[p[1]][0], pos[p[0]][1] },
pos[p[0]] },
0);
}
}
return null;
}
static ArrayList<int[]> makePath(int[][] path, int hole) {
for (int[] p : path) {
p[0] += 200;
p[1] += 200;
}
int[][] map = new int[401][401];
ArrayList<int[]> list = new ArrayList<>();
int[] now = new int[] { path[0][0], path[0][1] };
for (int[] p : path) {
while (true) {
if (now[0] < p[0])
now[0]++;
if (now[0] > p[0])
now[0]--;
if (now[1] < p[1])
now[1]++;
if (now[1] > p[1])
now[1]--;
if (map[now[0]][now[1]] == 0) {
map[now[0]][now[1]] = 1;
list.add(now.clone());
}
if (now[0] == p[0] && now[1] == p[1]) {
break;
}
}
}
for (int i = 1; i < 400; i++) {
for (int j = 1; j < 400; j++) {
if (map[i][j] == 0 &&
(map[i - 1][j] == 1 || map[i + 1][j] == 1 || map[i][j - 1] == 1 || map[i][j + 1] == 1)) {
map[i][j] = 2;
}
}
}
int[] target;
if (hole == 0) {
target = list.get(0);
} else if (hole == 1) {
target = list.get(list.size() / 2);
} else {
target = list.get(list.size() - 1);
}
ArrayList<int[]> cand = new ArrayList<>();
int[][] dir = { { 1, 0 }, { -1, 0 }, { 0, 1 }, { 0, -1 } };
for (int[] d : dir) {
if (map[target[0] + d[0]][target[1] + d[1]] == 2) {
cand.add(new int[] { target[0] + d[0], target[1] + d[1] });
}
}
for (int[] c : cand) {
int cnt = 0;
for (int[] d : dir) {
if (map[c[0] + d[0]][c[1] + d[1]] == 1) {
cnt++;
}
}
if (cnt == 1) {
map[c[0]][c[1]] = 0;
break;
}
}
ArrayList<int[]> res = new ArrayList<>();
for (int i = 0; i <= 400; i++) {
for (int j = 0; j <= 400; j++) {
if (map[i][j] == 2) {
res.add(new int[] { i - 200, j - 200 });
}
}
}
return res;
}
static class ContestScanner {
private final java.io.InputStream in;
private final byte[] buffer = new byte[1024];
private int ptr = 0;
private int buflen = 0;
private static final long LONG_MAX_TENTHS = 922337203685477580L;
private static final int LONG_MAX_LAST_DIGIT = 7;
private static final int LONG_MIN_LAST_DIGIT = 8;
public ContestScanner(java.io.InputStream in) {
this.in = in;
}
public ContestScanner() {
this(System.in);
}
private boolean hasNextByte() {
if (ptr < buflen) {
return true;
} else {
ptr = 0;
try {
buflen = in.read(buffer);
} catch (java.io.IOException e) {
e.printStackTrace();
}
if (buflen <= 0) {
return false;
}
}
return true;
}
private int readByte() {
if (hasNextByte())
return buffer[ptr++];
else
return -1;
}
private static boolean isPrintableChar(int c) {
return 33 <= c && c <= 126;
}
public boolean hasNext() {
while (hasNextByte() && !isPrintableChar(buffer[ptr]))
ptr++;
return hasNextByte();
}
public String next() {
if (!hasNext())
throw new java.util.NoSuchElementException();
StringBuilder sb = new StringBuilder();
int b = readByte();
while (isPrintableChar(b)) {
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
public long nextLong() {
if (!hasNext())
throw new java.util.NoSuchElementException();
long n = 0;
boolean minus = false;
int b = readByte();
if (b == '-') {
minus = true;
b = readByte();
}
if (b < '0' || '9' < b) {
throw new NumberFormatException();
}
while (true) {
if ('0' <= b && b <= '9') {
int digit = b - '0';
if (n >= LONG_MAX_TENTHS) {
if (n == LONG_MAX_TENTHS) {
if (minus) {
if (digit <= LONG_MIN_LAST_DIGIT) {
n = -n * 10 - digit;
b = readByte();
if (!isPrintableChar(b)) {
return n;
} else if (b < '0' || '9' < b) {
throw new NumberFormatException(
String.format("%d%s... is not number", n, Character.toString(b)));
}
}
} else {
if (digit <= LONG_MAX_LAST_DIGIT) {
n = n * 10 + digit;
b = readByte();
if (!isPrintableChar(b)) {
return n;
} else if (b < '0' || '9' < b) {
throw new NumberFormatException(
String.format("%d%s... is not number", n, Character.toString(b)));
}
}
}
}
throw new ArithmeticException(
String.format("%s%d%d... overflows long.", minus ? "-" : "", n, digit));
}
n = n * 10 + digit;
} else if (b == -1 || !isPrintableChar(b)) {
return minus ? -n : n;
} else {
throw new NumberFormatException();
}
b = readByte();
}
}
public int nextInt() {
long nl = nextLong();
if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
throw new NumberFormatException();
return (int) nl;
}
public double nextDouble() {
return Double.parseDouble(next());
}
public long[] nextLongArray(int length) {
long[] array = new long[length];
for (int i = 0; i < length; i++)
array[i] = this.nextLong();
return array;
}
public long[] nextLongArray(int length, java.util.function.LongUnaryOperator map) {
long[] array = new long[length];
for (int i = 0; i < length; i++)
array[i] = map.applyAsLong(this.nextLong());
return array;
}
public int[] nextIntArray(int length) {
int[] array = new int[length];
for (int i = 0; i < length; i++)
array[i] = this.nextInt();
return array;
}
public int[][] nextIntArrayMulti(int length, int width) {
int[][] arrays = new int[width][length];
for (int i = 0; i < length; i++) {
for (int j = 0; j < width; j++)
arrays[j][i] = this.nextInt();
}
return arrays;
}
public int[] nextIntArray(int length, java.util.function.IntUnaryOperator map) {
int[] array = new int[length];
for (int i = 0; i < length; i++)
array[i] = map.applyAsInt(this.nextInt());
return array;
}
public double[] nextDoubleArray(int length) {
double[] array = new double[length];
for (int i = 0; i < length; i++)
array[i] = this.nextDouble();
return array;
}
public double[] nextDoubleArray(int length, java.util.function.DoubleUnaryOperator map) {
double[] array = new double[length];
for (int i = 0; i < length; i++)
array[i] = map.applyAsDouble(this.nextDouble());
return array;
}
public long[][] nextLongMatrix(int height, int width) {
long[][] mat = new long[height][width];
for (int h = 0; h < height; h++)
for (int w = 0; w < width; w++) {
mat[h][w] = this.nextLong();
}
return mat;
}
public int[][] nextIntMatrix(int height, int width) {
int[][] mat = new int[height][width];
for (int h = 0; h < height; h++)
for (int w = 0; w < width; w++) {
mat[h][w] = this.nextInt();
}
return mat;
}
public double[][] nextDoubleMatrix(int height, int width) {
double[][] mat = new double[height][width];
for (int h = 0; h < height; h++)
for (int w = 0; w < width; w++) {
mat[h][w] = this.nextDouble();
}
return mat;
}
public char[][] nextCharMatrix(int height, int width) {
char[][] mat = new char[height][width];
for (int h = 0; h < height; h++) {
String s = this.next();
for (int w = 0; w < width; w++) {
mat[h][w] = s.charAt(w);
}
}
return mat;
}
}
static class ContestPrinter extends java.io.PrintWriter {
public ContestPrinter(java.io.PrintStream stream) {
super(stream);
}
public ContestPrinter() {
super(System.out);
}
private static String dtos(double x, int n) {
StringBuilder sb = new StringBuilder();
if (x < 0) {
sb.append('-');
x = -x;
}
x += Math.pow(10, -n) / 2;
sb.append((long) x);
sb.append(".");
x -= (long) x;
for (int i = 0; i < n; i++) {
x *= 10;
sb.append((int) x);
x -= (int) x;
}
return sb.toString();
}
@Override
public void print(float f) {
super.print(dtos(f, 20));
}
@Override
public void println(float f) {
super.println(dtos(f, 20));
}
@Override
public void print(double d) {
super.print(dtos(d, 20));
}
@Override
public void println(double d) {
super.println(dtos(d, 20));
}
public void printArray(int[] array, String separator) {
int n = array.length;
for (int i = 0; i < n - 1; i++) {
super.print(array[i]);
super.print(separator);
}
super.println(array[n - 1]);
}
public void printArray(int[] array) {
this.printArray(array, " ");
}
public void printArray(int[] array, String separator, java.util.function.IntUnaryOperator map) {
int n = array.length;
for (int i = 0; i < n - 1; i++) {
super.print(map.applyAsInt(array[i]));
super.print(separator);
}
super.println(map.applyAsInt(array[n - 1]));
}
public void printArray(int[] array, java.util.function.IntUnaryOperator map) {
this.printArray(array, " ", map);
}
public void printArray(long[] array, String separator) {
int n = array.length;
for (int i = 0; i < n - 1; i++) {
super.print(array[i]);
super.print(separator);
}
super.println(array[n - 1]);
}
public void printArray(long[] array) {
this.printArray(array, " ");
}
public void printArray(long[] array, String separator, java.util.function.LongUnaryOperator map) {
int n = array.length;
for (int i = 0; i < n - 1; i++) {
super.print(map.applyAsLong(array[i]));
super.print(separator);
}
super.println(map.applyAsLong(array[n - 1]));
}
public void printArray(long[] array, java.util.function.LongUnaryOperator map) {
this.printArray(array, " ", map);
}
}
}