fork download 
  1. import java.util.*;
  2. import static java.lang.Math.*;
  3.  
  4. public class TurnAllPanels {
  5.     int[][] board;
  6.     int rowMax, columnMax;
  7.  
  8.     public TurnAllPanels(int rowMax, int columnMax) {
  9.         this.rowMax = rowMax;
  10.         this.columnMax = columnMax;
  11.         this.board = new int[rowMax][columnMax];
  12.     }
  13.  
  14.     public void turnOver(int row, int column) {
  15.         int cur = board[row][column];
  16.         board[row][column] = (cur == 0 ? 1 : 0);
  17.     }
  18.  
  19.     public void turnPlaceSetting(int row, int column) {
  20.         for(int r=-1; r<=1; r++) {
  21.             for(int c=-1; c<=1; c++) {
  22.                 if(row+r < 0) { continue; }
  23.                 if(rowMax <= row+r) { continue; }
  24.                 if(column+c < 0) { continue; }
  25.                 if(columnMax <= column+c) { continue; }
  26.                 int dist = abs(r) + abs(c);
  27.                 if(dist <= 1) {
  28.                     turnOver(row+r, column+c);
  29.                 }
  30.             }
  31.         }
  32.     }
  33.  
  34.     public void showBoard() {
  35.         for(int r=0; r<rowMax; r++) {
  36.             for(int c=0; c<columnMax; c++) {
  37.                 System.out.print(board[r][c]);
  38.             }
  39.             System.out.println();
  40.         }
  41.     }
  42.  
  43.     public int checkBoard() {
  44.         for(int r=0; r<rowMax; r++) {
  45.             for(int c=0; c<columnMax; c++) {
  46.                 if(board[r][c] == 0) { return 1; }
  47.             }
  48.         }
  49.         return 0;
  50.     }
  51.  
  52.     public static void main(String[] args) {
  53.         Scanner keyBoardScanner = new Scanner(System.in);
  54.         TurnAllPanels self = null;
  55.         int r = 0, c = 0;
  56.         for( ; ; ) {
  57.             try {
  58.                 System.out.print("盤面の横の大きさを指定してください: ");
  59.                 c = keyBoardScanner.nextInt();
  60.                 if(c < 1) { continue; }
  61.                 break;
  62.             } catch(Exception ex) {
  63.                 ex.printStackTrace();   
  64.                 keyBoardScanner = new Scanner(System.in);
  65.             }
  66.         }
  67.         for( ; ; ) {
  68.             try {
  69.                 System.out.print("盤面の縦の大きさを指定してください: ");
  70.                 r = keyBoardScanner.nextInt();
  71.                 if(r < 1) { continue; }
  72.                 self = new TurnAllPanels(r, c);
  73.                 break;
  74.             } catch(Exception ex) {
  75.                 ex.printStackTrace();
  76.                 keyBoardScanner = new Scanner(System.in);
  77.             }
  78.         }
  79.         for( ;self.checkBoard() != 0; ) {
  80.             self.showBoard();
  81.             System.out.print("横座標を指定してください(左端が1): ");
  82.             try {
  83.                 int cc = keyBoardScanner.nextInt();
  84.                 cc--;
  85.                 if(cc < 0 || c <= cc) { System.out.println("不正な値です: " + (cc+1)); continue; }
  86.                 System.out.print("縦座標を指定してください(上端が1): ");
  87.                 int rr = keyBoardScanner.nextInt();
  88.                 rr--;
  89.                 if(rr < 0 || r <= rr) { System.out.println("不正な値です: " + (rr+1)); continue; }
  90.                 self.turnPlaceSetting(rr, cc);
  91.             } catch(Exception ex) {
  92.                 ex.printStackTrace();
  93.                 keyBoardScanner = new Scanner(System.in);
  94.             }
  95.         }
  96.         self.showBoard();
  97.         System.out.println("全て1になりました。ゲームを終了します。");
  98.     }
  99. }
Not running #stdin #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/NNIWf
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!