結果

問題 No.392 2分木をたどれ
ユーザー jp_stejp_ste
提出日時 2016-08-07 11:37:53
言語 Java
(openjdk 23)
結果
AC  
実行時間 121 ms / 2,000 ms
コード長 3,265 bytes
コンパイル時間 2,230 ms
コンパイル使用メモリ 77,728 KB
実行使用メモリ 39,004 KB
最終ジャッジ日時 2024-11-07 07:09:24
合計ジャッジ時間 3,048 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 3
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.NoSuchElementException;
public class Main {
static FastScanner scan = new FastScanner();
static PrintWriter out = new PrintWriter(System.out);
public static void main(String[] args) {
int n = scan.nextInt();
StringBuilder sb = new StringBuilder();
for(int i=0; i<n; i++) {
int v = scan.nextInt();
sb.setLength(0);
while(v != 0) {
if(v % 2 == 0) {
sb.insert(0, "R");
v = (v-2)/2;
} else {
sb.insert(0, "L");
v = (v-1)/2;
}
}
out.println(sb.toString());
}
out.flush();
}
static class FastScanner {
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 int nextInt() {
return (int) nextLong();
}
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();
}
}
}
}
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