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  1. #include <stdio.h>
  2.  
  3. #define SIZE 5
  4. int stack[SIZE];
  5. int sp;
  6.  
  7. void push(int value);
  8. int pop(void);
  9.  
  10. int main(void)
  11. {
  12. 	sp=0;
  13. 	int resp,data;
  14.  
  15. 	while(1){
  16. 		printf("1:push 2:pop 0:end :");
  17. 		scanf("%d",&resp);
  18.  
  19. 		if(!resp) break;
  20.  
  21. 		switch(resp){
  22. 			case 1:printf("push :");scanf("%d",&data);
  23. 			       push(data);
  24. 			       break;
  25. 			case 2:pop();
  26. 			       break;
  27. 	}
  28. 	printf("sp=%d\n",sp);
  29.  }
  30.  printf("\n");
  31.  for(int i=0;i<sp;i++){
  32.  	 printf("stack[%d]=%d \n",i,stack[i]);
  33.  }
  34.  
  35.  return 0;
  36. }
  37.  
  38. void push(int value)
  39. {
  40. 	if(sp>=SIZE){
  41. 		printf("スタックが満杯で入りませんでした\n");
  42. 	}else{
  43. 		stack[sp++]=value;
  44. 	}
  45. }
  46.  
  47. int pop(void)
  48. {
  49. 	if(sp<=0){
  50. 		printf("スタックが空で取り出せませんでした\n");
  51. 		return 0;
  52. 	}else{
  53. 		return stack[--sp];
  54. 	}
  55. }
Success #stdin #stdout 0s 5464KB
comments (?)
stdin 
1
2
1
3
0
stdout 
1:push 2:pop 0:end :push :sp=1
1:push 2:pop 0:end :push :sp=2
1:push 2:pop 0:end :
stack[0]=2 
stack[1]=3
https://ideone.com/pAuCfo
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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