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  1. import java.util.*;
  2.  
  3. class Main
  4. {
  5.     public static void life(int a[][], int b[][], int m, int n) {
  6.         for (int i = 0; i < m; i++) {
  7.             for (int j = 0; j < n; j++) {
  8.                 int sum = 0;
  9.                 for (int k = -1; k <= 1; k++) {
  10.                     for (int l = -1; l <= 1; l++) {
  11.                         sum += a[(i+k+m)%m][(j+l+n)%n];
  12.                     }
  13.                 }
  14.                 if (sum == 3 || (sum == 4 && a[i][j] == 1)) {
  15.                     b[i][j] = 1;
  16.                 } else {
  17.                     b[i][j] = 0;
  18.                 }
  19.             }
  20.         }
  21.     }
  22.     public static void main(String args[])
  23.     {
  24.         int size = 500;
  25.         int a[][], b[][];
  26.         a = new int[size][size];
  27.         b = new int[size][size];
  28.         Random r = new Random();
  29.         for (int i = 0; i < size; i++) {
  30.             for (int j = 0; j < size; j++) {
  31.                 a[i][j] = r.nextInt(2);
  32.             }
  33.         }
  34.         for (int n = 0; n < 50; n++) {
  35.             life(a, b, size, size);
  36.             int tmp[][];
  37.             tmp = a; a = b; b = tmp;
  38.         }
  39.         /*
  40.         for (int[] x : a) {
  41.             for (int n : x) {
  42.                 System.out.printf("%d,", n);
  43.             }
  44.             System.out.println("");
  45.         }*/
  46.     }
  47. }
Success #stdin #stdout 4.49s 245824KB
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https://ideone.com/FoYga
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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