#1115203 (Java) No.387 ハンコ

• 問題: No.387 ハンコ
• ユーザー: lmxyue
• 提出日時: 2025-08-25 14:00:43
• 言語: Java (openjdk 23)
• 結果: AC
• 実行時間: 485 ms / 5,000 ms
• コード長: 6,169 bytes
• コンパイル時間: 3,803 ms
• コンパイル使用メモリ: 82,716 KB
• 実行使用メモリ: 53,300 KB
• 最終ジャッジ日時: 2025-08-25 14:00:54
• 合計ジャッジ時間: 9,375 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

ファイルパターン	結果
other	AC * 9

ソースコード

package contest;

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 N387 {
        InputStream is;
        PrintWriter out;
        String INPUT = "";
        
        void solve()
        {
                int n = ni();
                int[] a = na(n);
                int[] b = na(n);
                int[][] g = makeBuckets(a, 100001);
                long[][] stamp = new long[64][(n>>>6)+2];
                for(int i = 0;i < 64;i++){
                        for(int j = 0;j < n;j++){
                                int k = j+i;
                                stamp[i][k>>>6] |= (long)b[j]<<k;
                        }
                }
                long[] canvas = new long[(2*n>>>6)+10];
                long[] temp = new long[(2*n>>>6)+10];
                for(int[] row : g){
                        if(row.length > 0){
                                Arrays.fill(temp, 0);
                                for(int x : row){
                                        int lo = x&63;
                                        int hi = x>>>6;
                                        for(int j = 0;j < (n>>>6)+2 && j+hi < temp.length;j++){
                                                temp[j+hi] |= stamp[lo][j];
                                        }
                                }
                                for(int j = 0;j < temp.length;j++){
                                        canvas[j] ^= temp[j];
                                }
                        }
                }
                for(int i = 0;i < 2*n-1;i++){
                        out.println(canvas[i>>>6]<<~i<0 ? "ODD" : "EVEN");
                }
        }
        
        public static int[][] makeBuckets(int[] a, int sup)
        {
                int n = a.length;
                int[][] bucket = new int[sup+1][];
                int[] bp = new int[sup+1];
                for(int i = 0;i < n;i++)bp[a[i]]++;
                for(int i = 0;i <= sup;i++)bucket[i] = new int[bp[i]];
                for(int i = n-1;i >= 0;i--)bucket[a[i]][--bp[a[i]]] = i;
                return bucket;
        }

        
        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");
        }
        
        public static void main(String[] args) throws Exception { new N387().run(); }
        
        private byte[] inbuf = new byte[1024];
        private 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 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[] na(int n)
        {
                int[] a = new int[n];
                for(int i = 0;i < n;i++)a[i] = ni();
                return a;
        }
        
        private int ni()
        {
                int num = 0, 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 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)); }
}