#82705 (Java) No.18 うーさー暗号

• 問題: No.18 うーさー暗号
• ユーザー: pogin
• 提出日時: 2016-03-22 03:26:33
• 言語: Java (openjdk 23)
• 結果: AC
• 実行時間: 128 ms / 5,000 ms
• コード長: 2,680 bytes
• コンパイル時間: 3,973 ms
• コンパイル使用メモリ: 77,376 KB
• 実行使用メモリ: 54,108 KB
• 最終ジャッジ日時: 2024-07-07 06:02:22
• 合計ジャッジ時間: 6,406 ms
• ジャッジサーバーID （参考情報）: judge3 / judge1

ファイルパターン	結果
other	AC * 13

ソースコード

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package yukicoder;
import java.util.Scanner;
//@see http://yukicoder.me/problems/59
public class No18 {
    public static void main(String[] args) {
        @SuppressWarnings("resource")
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        System.out.println(ursarDecoding(s));
//      sample();
        
    }
    private static void sample() {
        String text = "abc";
        String data1 = ceaserEncoding(text, 3);
        System.out.println(data1);
        System.out.println(ceaserDecoding(data1, 3));
        System.out.println(ursarDecoding("ABCDEFGHIJKLMNOPQRSTUVWXYZ"));
        System.out.println(ursarDecoding("ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ"));
        System.out.println(ursarDecoding
            ("BNOXMKZMNHNQYZTDTWLUMAOCUEBNHHNTTIWIZRGVTRVSNNDBRJNLEERPTAYMMCAAEHXDXHKCIPPLNWTQKMLNSGYBTORRPDUHKCUAAYMDTQGMKLPKDVEFBCQJRAGNCKREGWIGQSGZ
            HQWOOMESPZFQYIMASCQGMCGHJTPVPDSQUSPHKKHZGKSCQSPHWLJUSLOYCYFCUILUAMKKORHTJUZIGKSQNFPGAWKUIKTFGUXABEQVHHYNHBCRPECOCYVDHLDCFLZLMAFERKMZXWDBNW
            CRLLWOMEKEVHBVSIWOVLCRPDRWHDFJXFDWYJDDBVDXTMVCYYYFUSSUGSKNPNBDQONYKEYCLUJINAAJTDZWGNGUPNDALQIEXZOMWYCYNZIOGWHZNLXLHEMKVQTYAUJBVQQWCJYSMIAP
            ECHRJUKAFZLZBZLZVSACFJXYNLBAHAMNBMSZOWBONAZWCWWJHGODBLNRUJRJNXLTJXOMQVTHZFZNJKRPNRJILRFRPVCOYFVCCEWYXHZNXJBONRDVNYVVCRPMHHWEIOBFGBFPRTPHDP
            QIVVBSOQEHTCGWKUHAKRLOTVVTFTPMUCLDRCUQHMBWFEKMEFFPVMAKKQBZZEVHXEESLIPNQCLPFTEINTNWODPZRFIXVJXMPHQQNFCCGXWGPVRXRFUOCQEQBHCAOCMTWKFIFYDQCRLX
            YCIXVJULZAAQPUBTUIQYMZNAFQAHAORJBMZKSCQCBPLRJRVDNKQRNWGIVLVZZSTCSHJPNGFTZXNKVASHWUJHTHDAIYRARWDVWKSAXWPPBUIXVKIIMPPKZNTUSESOLTFRTOUWHDFLVI
            HILLKYUJHWMUDJNXNTNBXCRDBMJBEYQDZERRXZPBDDTAAHPAZFZNCATYSESKQXMKJWUNPEGCUMVSMBZNAMHNHJLWJONPCYCFRBWELJLQJNHGMAECBESJYWDQSUAUXJZFMBZIXRSESQ
            IJTUKIWNVQABTBCAGAODBNQOHGQCTLAPNGZDXWCWUGZUMAKMSAOAPSWKAZXE"));        
    }
    
    public static String ursarDecoding(String text) {
        String data = "";
        for (int i = 0; i < text.length(); i++) {
            int divi = i % 26;
            int substRet = char2int(text.charAt(i), divi);
            int ret;
            if (substRet <= 0) {
                ret = "Z".charAt(0) + substRet;
            } else {
                ret = ((text.charAt(i) - divi) - 1);
            }
            data = data + String.valueOf(Character.toString((char)ret));
        }
        return data;
    }
    
    private static int char2int(char c, int i) {
        return ((c - 'A') - i);
    }
    
    public static String ceaserEncoding (String text, int no) {
        String data1 = "";
        for (int i = 0; i < text.length(); i++) {
            data1 = data1 + String.valueOf((char)(text.charAt(i) + no));
        }
        return data1;
    }
    public static String ceaserDecoding (String text, int no) {
        String data1 = "";
        for (int i = 0; i < text.length(); i++) {
            data1 = data1 + String.valueOf((char)(text.charAt(i) - no));
        }
        return data1;
        
    }
}
 
 
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