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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. #define FieldSize 20
  5. #define TimeMax 20
  6.  
  7. /*フィールドの初期化 (ファイルの読み込み)*/
  8. void init_field(int field[FieldSize][FieldSize], char *fname){
  9.   int i,j;
  10.   FILE *fp;
  11.  
  12.   if((fp=fopen(fname,"r"))==NULL){
  13.     printf("init_field(): Cannot open \"%s\"\n",fname);
  14.     exit(1);
  15.   }
  16.  
  17.   for(i=0;i<FieldSize;i++){
  18.     for(j=0;j<FieldSize;j++){
  19.       fscanf(fp,"%d ",&field[i][j]);
  20.     }
  21.   }
  22.   fclose(fp);
  23. }
  24.  
  25. int count(int I, int J, int field[FieldSize][FieldSize]){
  26.   int i,j;
  27.   int i_tmp,j_tmp;
  28.   int sum;
  29.  
  30.   sum=0;
  31.   for(i=-1;i<=1;i++){
  32.     for(j=-1;j<=1;j++){
  33.  
  34. 	field[i][j]=getrand(0,1);
  35.     }
  36.   }
  37.   return sum;
  38. }
  39.  
  40. void update_field(int field[FieldSize][FieldSize]){
  41.   int i,j;
  42.   int around;       
  43.   int new_field[FieldSize][FieldSize]; 
  44.  
  45.   for(i=0;i<FieldSize;i++){
  46.     for(j=0;j<FieldSize;j++){
  47.       around=count(i,j,field);
  48.  
  49. if( (new_field[i][j] >= 3) && !(field[i][j]) ) {
  50.     field[i][j]=1;
  51.   }
  52.   /* ˆÛŽ */
  53.   else if ( ((new_field[i][j] == 2) || (new_field[i][j] == 3)) && (field[i][j]) ) {
  54.     field[i][j]=1;
  55.   }
  56.   /* Ž€–S(‚»‚êˆÈŠO) */
  57.   else {
  58.     field[i][j]=0;
  59.   }
  60.   new_field[i][j]=0;
  61. }
  62.  
  63.     }
  64. 	for(i = 0;i < 20;i++){
  65. 		for(j = 0;j < 20;j++){
  66. 			field[i][j] = new_field[i][j];
  67. 		}
  68. 	}
  69.  
  70. 	for(i=0;i<20;i++){
  71. 		for(j=0;j<20;j++){
  72. 		field[i][j] = new_field[i][j];
  73. 		if(field[i][j]==1){
  74. 			printf("■");
  75. 			}else{
  76. 			printf("□");
  77. 			}		
  78. 		}	
  79. 	printf("\n");
  80. }
  81. }
  82.  
  83.  
  84. void display(int field[FieldSize][FieldSize]){
  85.   int i,j;
  86.  
  87.  
  88. for(i=0;i<20;i++){
  89. 	for(j=0;j<20;j++){
  90. 		if(field[i][j]==1){
  91. 			printf("■");
  92. 			}else{
  93. 			printf("□");
  94. 			}	
  95. 		}	
  96. 	printf("\n");
  97. }
  98.  
  99. }
  100.  
  101. int main(int argc, char *argv[]){
  102.   int t;
  103.   int field[FieldSize][FieldSize];
  104.  
  105.   if(argc!=2){
  106.     printf("実行方法 : ./a.out 初期状態のファイル\n");
  107.   }
  108.  
  109.   //system("clear");
  110.   init_field(field, argv[1]);
  111.   //display(field);
  112.   //sleep(1);
  113.   //system("clear");
  114.   for(t=0;t<TimeMax;t++){
  115.     update_field(field);
  116.     display(field);
  117.     //sleep(1);
  118.     //system("clear");
  119.   }
  120.  
  121.   return 0;
  122. }
  123.  
  124.  
  125.  
  126.  
  127.  
  128.  
  129.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c: In function ‘init_field’:
prog.c:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result
prog.c: In function ‘count’:
prog.c:34: warning: implicit declaration of function ‘getrand’
prog.c:27: warning: unused variable ‘j_tmp’
prog.c:27: warning: unused variable ‘i_tmp’
prog.c:34: warning: array subscript is below array bounds
/home/ZWNh2T/ccurMBxy.o: In function `count':
prog.c:(.text+0x9b): undefined reference to `getrand'
prog.c:(.text+0xb3): undefined reference to `getrand'
prog.c:(.text+0xcb): undefined reference to `getrand'
collect2: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/LFPu6
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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