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  1. #include <stdio.h>
  2. int head,tail;
  3. #define SIZE 5
  4. int kyu[SIZE];
  5. void enkyu(int value);
  6. int dekyu(void);
  7.  
  8. int main(void){
  9.  
  10. 	head=0;
  11. 	tail=0;
  12.  
  13. 	enkyu(22);
  14. 	enkyu(44);
  15. 	enkyu(7);
  16. 	dekyu();
  17. 	dekyu();
  18.  
  19. 	for(int i=0;i<SIZE;i++){
  20. 		printf("キュー[%d]=%d\n",i,kyu[i]);
  21. 	}
  22. 	return 0;
  23. }
  24.  
  25. void enkyu(int value){
  26. 	if(head==(tail+1)%SIZE){
  27. 		printf("キューの中身は満杯です");
  28. 	}
  29. 	else{
  30. 		kyu[tail]=value;
  31. 		tail++;
  32. 	}
  33. 	tail=tail%SIZE;
  34. }
  35.  
  36. int dekyu(void){
  37. 	int value;
  38.  
  39. 	if(head==tail){
  40. 		printf("キューの中身は空で取り出せませんでした");
  41. 		return 0;
  42. 	}
  43. 	else{
  44. 		value=kyu[head];
  45. 		head=(head+1)%SIZE;
  46. 	}
  47.  
  48. 	return value;
  49. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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キュー[0]=22
キュー[1]=44
キュー[2]=7
キュー[3]=0
キュー[4]=0
https://ideone.com/ayEdHQ
language:
C (gcc 8.3)
created:
12 hours ago
visibility:
public

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