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  1. #include <stdio.h>
  2. #define SIZE 5
  3. int queue[SIZE];
  4.  
  5. int head,tail;
  6.  
  7. void enqueue(int value);
  8. int dequeue(void);
  9.  
  10. int main(void){
  11.  
  12. 	head=0;
  13. 	tail=0;
  14.  
  15. 	int data;
  16.  
  17. 	enqueue(1);
  18. 	enqueue(2);
  19. 	dequeue();
  20. 	enqueue(3);
  21. 	dequeue();
  22. 	enqueue(4);
  23. 	enqueue(5);
  24. 	dequeue();
  25. 	enqueue(6);
  26.  
  27. 	for(int i=0;i<SIZE;i++){
  28. 		printf("queue[%d]=%d\n",i,queue[i]);
  29. 	}
  30. 	return 0;
  31.  
  32. }
  33.  
  34. void enqueue(int value){
  35. 	if(head==(tail+1)%SIZE){
  36. 		printf("キューは満杯で入りませんでした\n");
  37. 	}
  38. 	else{
  39. 		queue[tail]=value;
  40. 		tail++;
  41. 	}
  42. 	tail=tail%SIZE;
  43. }
  44. int dequeue(void){
  45.  
  46. 	int value;
  47. 	if(head==tail){
  48. 		printf("キューは空で取り出せませんでした\n");
  49.  
  50. 		return 0;
  51. 	}
  52. 	else {
  53. 		value=queue[head];
  54. 		queue[head]=0;
  55. 		head++;
  56. 	}
  57. 	head=head%SIZE;
  58. 	return value;
  59. }
  60.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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queue[0]=6
queue[1]=0
queue[2]=0
queue[3]=4
queue[4]=5
https://ideone.com/F7ub52
プログラミング３　第１回提出課題１
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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