結果

問題 No.183 たのしい排他的論理和(EASY)
ユーザー t8m8⛄️t8m8⛄️
提出日時 2015-04-17 18:57:14
言語 Java21
(openjdk 21)
結果
AC  
実行時間 77 ms / 5,000 ms
コード長 4,186 bytes
コンパイル時間 4,695 ms
コンパイル使用メモリ 75,064 KB
実行使用メモリ 52,088 KB
最終ジャッジ日時 2023-09-11 11:05:44
合計ジャッジ時間 5,910 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（β）

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 46 ms
49,304 KB
testcase_01 AC 46 ms
49,356 KB
testcase_02 AC 53 ms
49,240 KB
testcase_03 AC 52 ms
49,492 KB
testcase_04 AC 47 ms
47,524 KB
testcase_05 AC 51 ms
49,376 KB
testcase_06 AC 49 ms
49,352 KB
testcase_07 AC 68 ms
51,768 KB
testcase_08 AC 77 ms
51,224 KB
testcase_09 AC 76 ms
52,088 KB
testcase_10 AC 62 ms
51,068 KB
testcase_11 AC 61 ms
51,008 KB
testcase_12 AC 52 ms
49,452 KB
testcase_13 AC 44 ms
49,164 KB
testcase_14 AC 48 ms
49,380 KB
testcase_15 AC 68 ms
51,268 KB
testcase_16 AC 50 ms
49,544 KB
testcase_17 AC 71 ms
51,012 KB
testcase_18 AC 67 ms
50,856 KB
testcase_19 AC 56 ms
49,696 KB
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ソースコード

diff # 

//No.183 たのしい排他的論理和(EASY)

import java.util.*;
import java.io.*;
import static java.util.Arrays.*;
import static java.lang.Math.*;

public class No183 {

    static final Reader in = new Reader();
    static final PrintWriter out = new PrintWriter(System.out,false);

    static void solve(){
        int n = in.nextInt();
        int[] a = in.nextIntArray(n);
        boolean[] f = new boolean[35000];
        f[0] = true;
        for (int i=0; i<n; i++) {
            if (f[a[i]]) continue;
            for (int j=0; j<f.length; j++) {
                if (f[j]) {
                    f[a[i]^j] = true;
                }
            }
        }

        int cnt = 0;
        for (int i=0; i<f.length; i++) {
            if (f[i]) cnt++;
        }

        out.println(cnt);
    }

    public static void main(String[] args) throws Exception {
        long start = System.currentTimeMillis();

        solve();
        out.flush();

        long end = System.currentTimeMillis();
        //trace(end-start + "ms");
        in.close();
        out.close();
    }

    static void trace(Object... o) { System.out.println(deepToString(o));}
}

class Reader {
    private final InputStream in;
    private final byte[] buf = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    public Reader() { this(System.in);}
    public Reader(InputStream source) { this.in = source;}

    private boolean hasNextByte() {
        if (ptr < buflen) return true;
        ptr = 0;
        try{
            buflen = in.read(buf);
        }catch (IOException e) {e.printStackTrace();}
        if (buflen <= 0) return false;
        return true;
    }

    private int readByte() { if (hasNextByte()) return buf[ptr++]; else return -1;}

    private boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}

    private void skip() { while(hasNextByte() && !isPrintableChar(buf[ptr])) ptr++;}

    public boolean hasNext() {skip(); return hasNextByte();}

    public String next() {
        if (!hasNext()) throw new 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 NoSuchElementException();
        boolean minus = false;
        long num = readByte();

        if(num == '-'){
            num = 0;
            minus = true;
        }else if (num < '0' || '9' < num){
            throw new NumberFormatException();
        }else{
            num -= '0';
        }
        
        while(true){
            int b = readByte();
            if('0' <= b && b <= '9')
                num = num * 10 + (b - '0');
            else if(b == -1 || !isPrintableChar(b))
                return minus ? -num : num;
            else
                throw new NoSuchElementException();
        }
    }

    public int nextInt() {
        long num = nextLong();
        if (num < Integer.MIN_VALUE || Integer.MAX_VALUE < num)
            throw new NumberFormatException();
        return (int)num;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }

    public char nextChar() {
        if (!hasNext()) throw new NoSuchElementException();
        return (char)readByte();
    }

    public String nextLine() {
        while (hasNextByte() && (buf[ptr] == '\n' || buf[ptr] == '\r')) ptr++;
        if (!hasNextByte()) throw new NoSuchElementException();

        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (b != '\n' && b != '\r') {
            sb.appendCodePoint(b);
            b = readByte();
        }

        return sb.toString();
    }

    public int[] nextIntArray(int n) {
        int[] res = new int[n];
        for (int i=0; i<n; i++) res[i] = nextInt();
        return res;
    }

    public char[] nextCharArray(int n) {
        char[] res = new char[n];
        for (int i=0; i<n; i++) res[i] = nextChar();
        return res;
    }

    public void close() {try{ in.close();}catch(IOException e){ e.printStackTrace();}};
}
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