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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <unistd.h>
  4.  
  5. #define FieldSize 20
  6. #define TimeMax 20
  7.  
  8. /*フィールドの初期化 (ファイルの読み込み)*/
  9. void init_field(int field[FieldSize][FieldSize], char *fname)
  10. {
  11.     int i, j;
  12.     FILE *fp;
  13.  
  14.     if((fp = fopen(fname, "r")) == NULL) {
  15.         printf("init_field(): Cannot open \"%s\"\n", fname);
  16.         exit(1);
  17.     }
  18.  
  19.     for(i = 0; i < FieldSize; i++) {
  20.         for(j = 0; j < FieldSize; j++) {
  21.             fscanf(fp, "%d ", &field[i][j]);
  22.         }
  23.     }
  24.     fclose(fp);
  25. }
  26.  
  27. int count(int x, int y, int field[FieldSize][FieldSize])
  28. {
  29.     int i, j;
  30.     int sum;
  31.  
  32.     sum = 0;
  33.     for(i = x-1; i <= x+1; i++) {
  34.         for(j = y-1; j <= y+1; j++) {
  35.             if( i>=0 && i<FieldSize
  36.              && j>=0 && j<FieldSize
  37.              && field[i][j]==1 ){
  38.                 sum++;
  39.             }
  40.         }
  41.     }
  42.     return sum;
  43. }
  44.  
  45. void update_field(int field[FieldSize][FieldSize])
  46. {
  47.     int i, j;
  48.     int around;
  49.     int new_field[FieldSize][FieldSize];
  50.  
  51.     for(i = 0; i < FieldSize; i++) {
  52.         for(j = 0; j < FieldSize; j++) {
  53.             around = count(i, j, field);
  54.             /* 生死判定の条件 周囲が2つか3つ生きているとき生存 それ以外死亡 */
  55.             if((around >= 2) && (around <= 3)) {
  56.                 new_field[i][j] = 1;
  57.             } else {
  58.                 new_field[i][j] = 0;
  59.             }
  60.         }
  61.     }
  62.     for(i = 0; i < FieldSize; i++) {
  63.         for(j = 0; j < FieldSize; j++) {
  64.             field[i][j] = new_field[i][j];
  65.         }
  66.     }
  67. }
  68.  
  69.  
  70. void display(int field[FieldSize][FieldSize])
  71. {
  72.     int i, j;
  73.  
  74.     for(i = 0; i < FieldSize; i++) {
  75.         for(j = 0; j < FieldSize; j++) {
  76.             if(field[i][j] == 1) {
  77.                 printf("■");
  78.             } else {
  79.                 printf("□");
  80.             }
  81.         }
  82.         printf("\n");
  83.     }
  84.  
  85. }
  86.  
  87. int main(int argc, char *argv[])
  88. {
  89.     int t;
  90.     int field[FieldSize][FieldSize];
  91.  
  92.     if(argc != 2) {
  93.         printf("実行方法 : ./a.out 初期状態のファイル\n");
  94.         exit(1);
  95.     }
  96.     //system("clear");
  97.     init_field(field, argv[1]);
  98.     display(field);
  99.     //sleep(1);
  100.     system("clear");
  101.     for(t = 0; t < TimeMax; t++) {
  102.         update_field(field);
  103.         display(field);
  104.         sleep(1);
  105.         system("clear");
  106.     }
  107.  
  108.     return 0;
  109. }
  110.  
Runtime error #stdin #stdout 0.01s 1720KB
comments (?)
stdin 
Standard input is empty
stdout 
実行方法 : ./a.out 初期状態のファイル
https://ideone.com/lD1Y7
language:
C (gcc 8.3)
created:
14 years ago
visibility:
public

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