結果
問題 | No.293 4>7の世界 |
ユーザー |
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提出日時 | 2018-03-10 21:02:44 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 60 ms / 2,000 ms |
コード長 | 2,436 bytes |
コンパイル時間 | 3,192 ms |
コンパイル使用メモリ | 78,276 KB |
実行使用メモリ | 36,728 KB |
最終ジャッジ日時 | 2024-12-30 12:36:40 |
合計ジャッジ時間 | 5,617 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 20 |
ソースコード
import java.io.*;import java.util.*;import static java.lang.System.*;public class Main {static FastScanner sc = new FastScanner(System.in);public static void main(String[] args) {String a=sc.next(),b=sc.next();if (a.length() < b.length()) {out.println(b);}else if (a.length() > b.length()) {out.println(a);}else {int na,nb;for (int i=0; i<a.length(); i++) {na = Character.getNumericValue(a.charAt(i));nb = Character.getNumericValue(b.charAt(i));if (na==4&&nb==7) {out.println(a); return;}else if (na==7&&nb==4) {out.println(b); return;}if (na != nb) {out.println(na>nb?a:b);return;}}}}}class FastScanner implements Closeable {private final InputStream in;private final byte[] buffer = new byte[1024];private int ptr = 0;private int buflen = 0;public FastScanner(InputStream in) {this.in = in;}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;}public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() {long nl = nextLong();if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();return (int) nl;}public double nextDouble() { return Double.parseDouble(next());}public void close() {try {in.close();}catch (IOException e) {}}}