結果
問題 | No.756 チャンパーノウン定数 (1) |
ユーザー |
|
提出日時 | 2018-12-04 03:50:50 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 2,350 bytes |
コンパイル時間 | 3,426 ms |
コンパイル使用メモリ | 78,656 KB |
実行使用メモリ | 36,932 KB |
最終ジャッジ日時 | 2024-07-05 21:07:31 |
合計ジャッジ時間 | 4,211 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 20 |
ソースコード
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();}}