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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. int main(void) {
  6. 	// your code goes here
  7.  
  8. 	int graph[8][8] =        //サイズ８の有向グラフの形
  9. 	{
  10.     {0,0,0,0,0,0,0,0},
  11.     {0,0,0,0,0,0,0,0},
  12.     {0,0,0,0,0,0,0,0},
  13.     {0,0,0,0,0,0,0,0},
  14.     {0,0,0,0,0,0,0,0},
  15.     {0,0,0,0,0,0,0,0},
  16.     {0,0,0,0,0,0,0,0},
  17.     {0,0,0,0,0,0,0,0}
  18. 	};
  19.  
  20. 	int r=1;
  21. 	int a,b;
  22. 	while(r<9){              //ランダムで8個の頂点を生成
  23. 		 a = rand() % 8;
  24. 		 b = rand() % 8;
  25. 		 if (graph[a][b] >0);
  26. 		 else{
  27. 			graph[a][b] = r;
  28. 			r++;
  29. 		 }
  30. 	}
  31.  
  32. 	for(int i = 0; i < 8; i++){                //生成した有向グラフを表示
  33. 		for(int g = 0; g < 8; g++){
  34. 			printf("%d",graph[i][g]);
  35. 		}
  36. 		printf("\n");
  37. 	}
  38.  
  39.  
  40.  
  41. 	return 0;
  42. }
  43.  
  44.  
  45.  
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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00000000
00020503
00064000
00000070
00800000
00000000
00000000
00000010
https://ideone.com/7WIq8l
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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