#206055 (Java) No.293 4>7の世界

• 問題: No.293 4>7の世界
• ユーザー: yuya178
• 提出日時: 2017-09-22 21:10:13
• 言語: Java (openjdk 23)
• 結果: AC
• 実行時間: 90 ms / 2,000 ms
• コード長: 5,548 bytes
• コンパイル時間: 3,009 ms
• コンパイル使用メモリ: 79,772 KB
• 実行使用メモリ: 38,112 KB
• 最終ジャッジ日時: 2024-12-30 12:32:14
• 合計ジャッジ時間: 6,046 ms
• ジャッジサーバーID （参考情報）: judge2 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	72 ms; 37,636 KB
testcase_01	AC	81 ms; 37,492 KB
testcase_02	AC	80 ms; 37,492 KB
testcase_03	AC	78 ms; 37,760 KB
testcase_04	AC	83 ms; 37,864 KB
testcase_05	AC	85 ms; 37,852 KB
testcase_06	AC	84 ms; 37,640 KB
testcase_07	AC	77 ms; 37,764 KB
testcase_08	AC	81 ms; 37,764 KB
testcase_09	AC	84 ms; 37,860 KB
testcase_10	AC	90 ms; 37,680 KB
testcase_11	AC	77 ms; 37,552 KB
testcase_12	AC	78 ms; 37,552 KB
testcase_13	AC	81 ms; 38,096 KB
testcase_14	AC	74 ms; 37,548 KB
testcase_15	AC	81 ms; 37,420 KB
testcase_16	AC	81 ms; 37,672 KB
testcase_17	AC	83 ms; 37,720 KB
testcase_18	AC	79 ms; 37,748 KB
testcase_19	AC	83 ms; 38,112 KB
testcase_20	AC	82 ms; 37,748 KB
testcase_21	AC	79 ms; 38,004 KB
testcase_22	AC	79 ms; 37,940 KB
testcase_23	AC	82 ms; 37,680 KB

ソースコード

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class Main {
    static InputStream is;
    static PrintWriter out;
    static String INPUT = "";
    
    static void solve()
    {
        char[] a = ns().toCharArray();
        char[] b = ns().toCharArray();

        if(a.length>b.length){
            for(int i = 0; i < a.length; i++){
                out.print(a[i]);
            }
            return;
        }
        if(a.length<b.length){
            for(int i = 0; i < b.length; i++){
                out.print(b[i]);
            }
            return;
        }
        for(int i = 0; i < a.length; i++){
            if(a[i] > b[i]){
                if(a[i] == '7' && b[i] == '4'){
                    for(int j = 0; j < b.length; j++){
                        out.print(b[j]);
                    }
                    return;
                }
                for(int j = 0; j < a.length; j++){
                    out.print(a[j]);
                }
                return;
            }
            if(b[i] > a[i]){
                if(a[i] == '4' && b[i] == '7'){
                    for(int j = 0; j < a.length; j++){
                        out.print(a[j]);
                    }
                    return;
                }
                for(int j = 0; j < b.length; j++){
                    out.print(b[j]);
                }
                return;
            }
        }

        
    }
    
    public static void main(String[] args) throws Exception
    {
        long S = System.currentTimeMillis();
        is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
        out = new PrintWriter(System.out);
        
        solve();
        out.flush();
        long G = System.currentTimeMillis();
        tr(G-S+"ms");
    }
    
    private static boolean eof()
    {
        if(lenbuf == -1)return true;
        int lptr = ptrbuf;
        while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false;
        
        try {
            is.mark(1000);
            while(true){
                int b = is.read();
                if(b == -1){
                    is.reset();
                    return true;
                }else if(!isSpaceChar(b)){
                    is.reset();
                    return false;
                }
            }
        } catch (IOException e) {
            return true;
        }
    }
    
    private static byte[] inbuf = new byte[1024];
    static int lenbuf = 0, ptrbuf = 0;
    
    private static int readByte()
    {
        if(lenbuf == -1)throw new InputMismatchException();
        if(ptrbuf >= lenbuf){
            ptrbuf = 0;
            try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
            if(lenbuf <= 0)return -1;
        }
        return inbuf[ptrbuf++];
    }
    
    private static boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
//  private static boolean isSpaceChar(int c) { return !(c >= 32 && c <= 126); }
    private static int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
    
    private static double nd() { return Double.parseDouble(ns()); }
    private static char nc() { return (char)skip(); }
    
    private static String ns()
    {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while(!(isSpaceChar(b))){
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    
    private static char[] ns(int n)
    {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while(p < n && !(isSpaceChar(b))){
            buf[p++] = (char)b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }
    
    private static char[][] nm(int n, int m)
    {
        char[][] map = new char[n][];
        for(int i = 0;i < n;i++)map[i] = ns(m);
        return map;
    }
    
    private static int[] na(int n)
    {
        int[] a = new int[n];
        for(int i = 0;i < n;i++)a[i] = ni();
        return a;
    }
    
    private static int ni()
    {
        int num = 0, b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private static long nl()
    {
        long num = 0;
        int b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private static void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }

    private static int[] nsi(){
        char[] s = ns().toCharArray();
        int[] a = new int[s.length];
        for(int j = 0; j < s.length; j++){
           a[j] = s[j] - '0';
        }
        return a;
    }
}