結果

問題 No.518 ローマ数字の和
ユーザー Grenache
提出日時 2017-05-28 21:42:25
言語 Java
(openjdk 23)
結果
AC  
実行時間 126 ms / 2,000 ms
コード長 1,660 bytes
コンパイル時間 3,641 ms
コンパイル使用メモリ 77,820 KB
実行使用メモリ 41,532 KB
最終ジャッジ日時 2024-09-21 15:19:55
合計ジャッジ時間 6,412 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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
sample AC * 3
other AC * 19
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.*;
import java.util.*;
public class Main_yukicoder518 {
    private static Scanner sc;
    private static Printer pr;
    private static void solve() {
        int n = sc.nextInt();
        String[] r = new String[n];
        int ret = 0;
        for (int i = 0; i < n; i++) {
            r[i] = sc.next();
            ret += conv(r[i]);
        }
        if (ret > 3999) {
            pr.println("ERROR");
        } else {
            pr.println(rconv(ret));
//          pr.println(ret);
        }
    }
    private static String[] xxx = {"MMM", "MM", "M", "CM", "DCCC", "DCC", "DC", "D", "CD", "CCC", "CC", "C", "XC", "LXXX", "LXX", "LX", "L", "XL", 
        "XXX", "XX", "X", "IX", "VIII", "VII", "VI", "V", "IV", "III", "II", "I"};
    private static int[] xxi = {3000, 2000, 1000, 900, 800, 700, 600, 500, 400, 300, 200, 100, 90, 80, 70, 60, 50, 40, 30, 20, 10, 9, 8, 7, 6, 5, 4, 3
        , 2, 1};
    private static int conv(String r) {
        int ret = 0;
        while (r.length() > 0) {
            for (int i = 0, size = xxx.length; i < size; i++) {
                if (r.startsWith(xxx[i])) {
                    ret += xxi[i];
                    r = r.substring(xxx[i].length());
                    break;
                }
            }
        }
        return ret;
    }
    private static String rconv(int r) {
        StringBuilder ret = new StringBuilder();
        while (r > 0) {
            for (int i = 0, size = xxi.length; i < size; i++) {
                if (r >= xxi[i]) {
                    ret.append(xxx[i]);
                    r -= xxi[i];
                    break;
                }
            }
        }
        return ret.toString();
    }
    // ---------------------------------------------------
    public static void main(String[] args) {
        sc = new Scanner(System.in);
        pr = new Printer(System.out);
        solve();
        pr.close();
        sc.close();
    }
    private static class Printer extends PrintWriter {
        Printer(PrintStream out) {
            super(out);
        }
    }
}
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