結果

問題 No.1285 ゴミ捨て
ユーザー neko_the_shadowneko_the_shadow
提出日時 2020-11-15 18:03:54
言語 Java21
(openjdk 21)
結果
AC  
実行時間 186 ms / 2,000 ms
コード長 5,242 bytes
コンパイル時間 3,560 ms
コンパイル使用メモリ 80,792 KB
実行使用メモリ 53,508 KB
最終ジャッジ日時 2024-11-28 21:53:12
合計ジャッジ時間 6,532 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge2
このコードへのチャレンジ
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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 55 ms
50,500 KB
testcase_01 AC 57 ms
50,164 KB
testcase_02 AC 57 ms
50,488 KB
testcase_03 AC 58 ms
50,508 KB
testcase_04 AC 57 ms
50,424 KB
testcase_05 AC 56 ms
50,540 KB
testcase_06 AC 58 ms
50,436 KB
testcase_07 AC 181 ms
53,336 KB
testcase_08 AC 63 ms
50,516 KB
testcase_09 AC 112 ms
52,772 KB
testcase_10 AC 171 ms
53,116 KB
testcase_11 AC 138 ms
52,340 KB
testcase_12 AC 123 ms
53,088 KB
testcase_13 AC 124 ms
53,328 KB
testcase_14 AC 181 ms
53,084 KB
testcase_15 AC 134 ms
53,080 KB
testcase_16 AC 87 ms
52,440 KB
testcase_17 AC 96 ms
52,496 KB
testcase_18 AC 96 ms
52,572 KB
testcase_19 AC 109 ms
52,884 KB
testcase_20 AC 99 ms
52,692 KB
testcase_21 AC 97 ms
52,280 KB
testcase_22 AC 186 ms
53,508 KB
testcase_23 AC 186 ms
53,084 KB
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ソースコード

diff # 

package yukicoder._1285;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.UncheckedIOException;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Objects;

public class Main {
    public void exec() {
        int n = stdin.nextInt();
        int[] a = stdin.nextIntArray(n);
        Arrays.sort(a);
        boolean ok = true;
        for (int i = 0; i < n - 1; i++) {
            if (!(a[i]+1 < a[i+1])) {
                ok = false;
                break;
            }
        }
        stdout.println(ok ? 1 : 2);
    }

    private static final Stdin stdin = new Stdin(System.in);
    private static final Stdout stdout = new Stdout(System.out);
    private static final Stderr stderr = new Stderr(System.err, false);

    public static void main(String[] args) {
        try {
            new Main().exec();
        } finally {
            stdout.flush();
        }
    }

    // ASCII ONLY
    public static class Stdin {
        private InputStream in;
        private byte[] buf;
        private int ptr;
        private int len;

        public Stdin(InputStream in) {
            this.in = in;
            this.buf = new byte[1024];
            this.ptr = 0;
            this.len = 0;
        }

        public String nextString() {
            StringBuilder sb = new StringBuilder();
            byte b;
            while ((b = read()) != -1) {
                sb.appendCodePoint(b);
            }
            return sb.toString();
        }

        public int nextInt() {
            return (int)nextLong();
        }

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

        public long nextLong() {
            boolean negative = false;
            int x = 0;

            byte b = read();
            if (b == '-') {
                negative = true;
            } else {
                x += b-'0';
            }

            while ((b=read()) != -1) {
                x *= 10;
                x += b-'0';
            }

            return negative ? -x : x;
        }

        private byte read() {
            byte b = readByte();
            if (b == '\r') {
                readByte(); // LFを読み飛ばす
                return -1;
            } else if (b == '\n' || b == ' ') {
                return -1;
            } else {
                return b;
            }
        }

        private byte readByte(){
            if (len == ptr) {
                try {
                    ptr = 0;
                    len = in.read(buf);
                    if (len == -1) return -1;
                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            }
            return buf[ptr++];
        }

        public String[] nextStringArray(int n) {
            String[] a = new String[n];
            for (int i = 0; i < n; i++) a[i] = nextString();
            return a;
        }

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

        public double[] nextDoubleArray(int n) {
            double[] a = new double[n];
            for (int i = 0; i < n; i++) a[i] = nextDouble();
            return a;
        }

        public long[] nextLongArray(int n) {
            long[] a = new long[n];
            for (int i = 0; i < n; i++) a[i] = nextLong();
            return a;
        }
    }

    public static class Stdout {
        private PrintWriter stdout;

        public Stdout(PrintStream stdout) {
            this.stdout =  new PrintWriter(stdout, false);
        }

        public void println(Object ... objs) {
            for (int i = 0, len = objs.length; i < len; i++) {
                stdout.print(objs[i]);
                if (i != len-1) stdout.print(' ');
            }
            stdout.println();
        }

        public void flush() {
            stdout.flush();
        }
    }

    public static class Stderr {
        private PrintWriter stderr;
        private boolean debug;

        public Stderr(PrintStream stderr, boolean debug) {
            this.stderr =  new PrintWriter(stderr, false);
            this.debug = debug;
        }

        public void println(Object ... objs) {
            if (!debug) return ;

            stderr.print("DEBUG: ");
            for (int i = 0, len = objs.length; i < len; i++) {
                stderr.print(deepToString(objs[i]));
                if (i != len-1) stderr.print(' ');
            }
            stderr.println();
            stderr.flush();
        }

        private String deepToString(Object o) {
            if (o == null) {
                return "null";
            }

            // 配列の場合
            if (o.getClass().isArray()) {
                int len = Array.getLength(o);
                String[] tokens = new String[len];
                for (int i = 0; i < len; i++) {
                    tokens[i] = deepToString(Array.get(o, i));
                }
                return "{" + String.join(", ", tokens) + "}";
            }

            return Objects.toString(o);
        }
    }
}
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