結果

問題 No.756 チャンパーノウン定数 (1)
ユーザー 37zigen
提出日時 2018-12-04 03:50:50
言語 Java8
(openjdk 1.8.0.222)
結果
AC  
実行時間 82 ms
コード長 2,350 Byte
コンパイル時間 1,660 ms
使用メモリ 19,264 KB
最終ジャッジ日時 2019-09-14 13:36:30

テストケース

テストケース表示
入力 結果 実行時間
使用メモリ
sample1.txt AC 81 ms
19,260 KB
sample2.txt AC 82 ms
19,260 KB
sample3.txt AC 81 ms
19,260 KB
test1.txt AC 81 ms
19,260 KB
test2.txt AC 81 ms
19,264 KB
test3.txt AC 80 ms
19,264 KB
test4.txt AC 81 ms
19,264 KB
test5.txt AC 81 ms
19,260 KB
test6.txt AC 82 ms
19,260 KB
test7.txt AC 81 ms
19,260 KB
test8.txt AC 81 ms
19,260 KB
test9.txt AC 81 ms
19,264 KB
test10.txt AC 80 ms
19,264 KB
test11.txt AC 80 ms
19,260 KB
test12.txt AC 80 ms
19,260 KB
test13.txt AC 79 ms
19,264 KB
test14.txt AC 80 ms
19,264 KB
test15.txt AC 81 ms
19,260 KB
test16.txt AC 79 ms
19,260 KB
test17.txt AC 80 ms
18,548 KB
test18.txt AC 80 ms
19,260 KB
test19.txt AC 81 ms
19,260 KB
test20.txt AC 80 ms
19,264 KB
テストケース一括ダウンロード

ソースコード

diff #
import java.util.*;
import java.io.*;
import java.math.*;

class Main{
    public static void main(String[] args){
	new Main().run();
    }


    void run(){
	Scanner sc=new Scanner();
	String str="";
	for(int i=1;i<100;++i){
	    str=str+String.valueOf(i);
	}
	int D=sc.nextInt();
	System.out.println(str.charAt(D-1));
    }

    void tr(Object...o){
	System.out.println(Arrays.deepToString(o));
    }

}


class Scanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (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;}
    private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;}
    public boolean hasNext() { skipUnprintable(); 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();
        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') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }

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