結果
| 問題 | No.1056 2D Lamps |
| ユーザー |
 uwi
|
| 提出日時 | 2020-05-15 22:14:16 |
| 言語 | Java21 (openjdk 21) |
| 結果 |
WA
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 7,414 bytes |
| コンパイル時間 | 4,453 ms |
| コンパイル使用メモリ | 81,980 KB |
| 実行使用メモリ | 127,268 KB |
| 最終ジャッジ日時 | 2024-04-15 14:17:36 |
| 合計ジャッジ時間 | 21,593 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge5 |
（要ログイン）
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 | WA | - |
| testcase_01 | WA | - |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
ソースコード
package contest200515;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
public class E {
InputStream is;
PrintWriter out;
String INPUT = "";
void solve()
{
int n = ni(), m = ni();
boolean[][] M = new boolean[n+n+(2*n-1)+(2*n-1)][n*n];
int p = 0;
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
M[p][i*n+j] = true;
}
p++;
for(int j = 0;j < n;j++){
M[p][j*n+i] = true;
}
p++;
}
for(int i = 0;i <= 2*(n-1);i++){
for(int j = 0;j < n;j++){
int k = i-j;
if(k >= 0 && k < n){
M[p][j*n+k] = true;
}
}
p++;
}
for(int i = -(n-1);i <= n-1;i++){
for(int j = 0;j < n;j++){
int k = i+j;
if(k >= 0 && k < n){
M[p][j*n+k] = true;
}
}
p++;
}
assert p == M.length;
int R = rank(M);
long[][] H = new long[R][(n*n>>>6)+1];
int[] iord = new int[n*n];
for(int i = 0;i < n*n;i++){
iord[oord[i]] = i;
}
for(int i = 0;i < R;i++){
for(int j = 0;j < n*n;j++){
if(M[i][j])H[i][j>>>6] ^= 1L<<j;
}
}
long[] hs = new long[m];
for(int i = 0;i < m;i++){
RollingHash61 rh = new RollingHash61(31, (n*n>>>6)+1);
char[][] map = nm(n,n);
long[] v = new long[(n*n>>>6)+1];
for(int j = 0;j < n;j++){
for(int k = 0;k < n;k++){
if(map[j][k] == '#'){
v[iord[j*n+k]>>>6] |= 1L<<iord[j*n+k];
}
}
}
for(int j = 0;j < R;j++){
if(v[j>>>6]<<~j<0){
for(int k = 0;k < (n*n>>>6)+1;k++){
v[k] ^= H[j][k];
}
}
}
long hash = 0;
for(int k = 0;k < (n*n>>>6)+1;k++){
rh.add(v[k]);
// hash = hash * 1000000009 + v[k];
}
hs[i] = rh.h(0, (n*n>>>6)+1);
}
for(int i = 0;i < m;i++){
for(int j = i+1;j < m;j++){
out.print(hs[i] == hs[j] ? 1 : 0);
}
out.println();
}
}
public static class RollingHash61
{
static final long mod = (1L<<61)-1;
public long M;
public long[] pows;
public long[] hs;
public int hp;
public RollingHash61(long M, int n) {
assert M > 0;
assert n > 0;
this.M = M;
this.pows = makePows(M, n);
this.hs = new long[n+1];
this.hp = 0;
}
public static long mul(long a, long b)
{
long al = a&(1L<<31)-1, ah = a>>>31;
long bl = b&(1L<<31)-1, bh = b>>>31;
long low = al * bl; // <2^62
long mid = al * bh + bl * ah; // < 2^62
long high = ah * bh + (mid>>>31); // < 2^60 + 2^31 < 2^61
// high*2^62 = high*2 (mod 2^61-1)
long ret = mod(mod(2*high + low) + ((mid&(1L<<31)-1)<<31));
return ret;
}
public static long mod(long a)
{
while(a >= mod)a -= mod;
while(a < 0)a += mod;
return a;
}
private static long[] makePows(long M, int n)
{
long[] ret = new long[n+1];
ret[0] = 1;
for(int i = 1;i <= n;i++)ret[i] = mul(ret[i-1], M);
return ret;
}
public void add(long x)
{
hs[hp+1] = mul(hs[hp], M) + x;
if(hs[hp+1] >= mod)hs[hp+1] -= mod;
hp++;
}
public long h(int l, int r)
{
assert l <= r;
return mod(hs[r] - mul(hs[l], pows[r-l]));
}
}
public static boolean[][] trans(boolean[][] a)
{
if(a.length == 0)return new boolean[0][0];
int n = a.length, m = a[0].length;
boolean[][] ret = new boolean[m][n];
for(int i = 0;i < m;i++){
for(int j = 0;j < n;j++){
ret[i][j] = a[j][i];
}
}
return ret;
}
public static void tf(boolean[]... b)
{
for(boolean[] r : b) {
for(boolean x : r)System.out.print(x?'#':'.');
System.out.println();
}
System.out.println();
}
static int[] oord;
public static int rank(boolean[][] M)
{
int n = M.length, m = M[0].length;
int[] ord = new int[m];
for(int i = 0;i < m;i++){
ord[i] = i;
}
oord = ord;
// Forward Elimination
for(int i = 0;i < n;i++){
// select pivot
boolean pivotFound = false;
out:
for(int pi = i;pi < n;pi++){
for(int pj = i;pj < m;pj++){
if(M[pi][pj]){
// pivot found
// swap columns
for(int k = 0;k < n;k++){
boolean u = M[k][pj]; M[k][pj] = M[k][i]; M[k][i] = u;
}
int d = ord[pj]; ord[pj] = ord[i]; ord[i] = d;
if(pi != i){
// swap rows
for(int k = 0;k < m;k++){
boolean u = M[pi][k]; M[pi][k] = M[i][k]; M[i][k] = u;
}
}
pivotFound = true;
break out;
}
}
}
if(!pivotFound)return i;
for(int j = i+1;j < n;j++){
if(M[j][i]){
for(int k = i;k < m;k++){
M[j][k] ^= M[i][k];
}
}
}
}
for(int j = n-1;j >= 0;j--){
for(int i = j-1;i >= 0;i--){
if(M[i][j]){
for(int k = j;k < m;k++){
M[i][k] ^= M[j][k];
}
}
}
}
return n;
}
void run() throws Exception
{
is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
out = new PrintWriter(System.out);
long s = System.currentTimeMillis();
solve();
out.flush();
if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
// Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
// @Override
// public void run() {
// long s = System.currentTimeMillis();
// solve();
// out.flush();
// if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
// }
// };
// t.start();
// t.join();
}
public static void main(String[] args) throws Exception { new E().run(); }
private byte[] inbuf = new byte[1024];
public int lenbuf = 0, ptrbuf = 0;
private int readByte()
{
if(lenbuf == -1)throw new InputMismatchException();
if(ptrbuf >= lenbuf){
ptrbuf = 0;
try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
if(lenbuf <= 0)return -1;
}
return inbuf[ptrbuf++];
}
private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
private double nd() { return Double.parseDouble(ns()); }
private char nc() { return (char)skip(); }
private String ns()
{
int b = skip();
StringBuilder sb = new StringBuilder();
while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
private char[] ns(int n)
{
char[] buf = new char[n];
int b = skip(), p = 0;
while(p < n && !(isSpaceChar(b))){
buf[p++] = (char)b;
b = readByte();
}
return n == p ? buf : Arrays.copyOf(buf, p);
}
private int[] na(int n)
{
int[] a = new int[n];
for(int i = 0;i < n;i++)a[i] = ni();
return a;
}
private long[] nal(int n)
{
long[] a = new long[n];
for(int i = 0;i < n;i++)a[i] = nl();
return a;
}
private char[][] nm(int n, int m) {
char[][] map = new char[n][];
for(int i = 0;i < n;i++)map[i] = ns(m);
return map;
}
private int[][] nmi(int n, int m) {
int[][] map = new int[n][];
for(int i = 0;i < n;i++)map[i] = na(m);
return map;
}
private int ni() { return (int)nl(); }
private long nl()
{
long num = 0;
int b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}