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  1. import java.util.Scanner;
  2. import java.util.Map;
  3. import java.util.HashMap;
  4. class MirrorEncryption {
  5.     public static char followPath(char[][] field, char c) {
  6.         if ('a' <= c && c <= 'm') {
  7.             return followPath(field, c - 'a', -1, 0, 1);
  8.         }
  9.         if ('n' <= c && c <= 'z') {
  10.             return followPath(field, 13, c - 'n', -1, 0);
  11.         }
  12.         if ('A' <= c && c <= 'M') {
  13.             return followPath(field, -1, c - 'A', 1, 0);
  14.         }
  15.         if ('N' <= c && c <= 'Z') {
  16.             return followPath(field, c - 'N', 13, 0, -1);
  17.         }
  18.         throw new IllegalArgumentException("Invalid character in word.");
  19.     }
  20.     public static char followPath(char[][] field, int x, int y, int dx, int dy) {
  21.         if (y + dy <= -1) {
  22.             return (char) ('a' + x + dx);
  23.         } else if (x + dx >= 13) {
  24.             return (char) ('n' + y + dy);
  25.         } else if (x + dx <= -1) {
  26.             return (char) ('A' + y + dy);
  27.         } else if (y + dy >= 13) {
  28.             return (char) ('N' + x + dx);
  29.         } else {
  30.             switch (field[x + dx][y + dy]) {
  31.                 case ' ':
  32.                     return followPath(field, x + dx, y + dy, dx, dy);
  33.                 case '\\':
  34.                     return followPath(field, x + dx, y + dy, dy, dx);
  35.                 case '/':
  36.                     return followPath(field, x + dx, y + dy, -dy, -dx);
  37.                 default:
  38.                     throw new IllegalArgumentException("Invalid character in field.");
  39.             }
  40.         }
  41.     }
  42.     public static void main(String[] args) {
  43.         Scanner scanner = new Scanner(System.in);
  44.         char[][] field = new char[13][13];
  45.         for (int y = 0; y < 13; y++) {
  46.             String line = scanner.nextLine();
  47.             for (int x = 0; x < 13; x++) {
  48.                 field[x][y] = line.charAt(x);
  49.             }
  50.         }
  51.         String word = scanner.nextLine();
  52.         Map<Character,Character> encryption = new HashMap<>();
  53.         for (int i = 0; i < 26; i++) {
  54.             encryption.put((char) ('a' + i), followPath(field, (char) ('a' + i)));
  55.             encryption.put((char) ('A' + i), followPath(field, (char) ('A' + i)));
  56.         }
  57.         for (char c : word.toCharArray()) {
  58.             System.out.print(encryption.get(c));
  59.         }
  60.         System.out.println();
  61.     }
  62. }
Success #stdin #stdout 0.16s 321344KB
comments (?)
stdin 
   \\  /\    
            \
   /         
      \     \
    \        
  /      /   
\  /      \  
     \       
\/           
/            
          \  
    \/       
   /       / 
TpmQSjdmZdpoohd
stdout 
DaolyProgrammer
https://ideone.com/npi9Km
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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