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  1. #include <stdio.h>
  2.  
  3. #define SIZE 10
  4. double stack[SIZE];
  5. int sp;
  6.  
  7. void push(double value);
  8. double pop(void);
  9. int isFull(void);
  10. int isEmpty(void);
  11. void answer(void);
  12. void reset(void);
  13.  
  14. int main(void) {
  15. 	reset();
  16. 	while(1)
  17. 		{
  18. 			int resp,data,cal1,cal2;
  19. 			scanf("%d",&resp);
  20.  
  21. 			if(resp==9)
  22. 				break;
  23.  
  24. 			switch(resp){
  25. 				case 1:
  26. 					cal1=pop();
  27. 					cal2=pop();
  28. 					push(cal2+cal1);
  29. 					break;
  30. 				case 2:
  31. 					cal1=pop();
  32. 					cal2=pop();
  33. 					push(cal2-cal1);
  34. 					break;
  35. 				case 3:
  36. 					cal1=pop();
  37. 					cal2=pop();
  38. 					push(cal2*cal1);
  39. 					break;
  40. 				case 4:
  41. 					cal1=pop();
  42. 					cal2=pop();
  43. 					push(cal2/cal1);
  44. 					break;
  45. 				case 5:
  46. 					scanf("%d",&data);
  47. 					printf("data:%d\n",data);
  48. 					push(data);
  49. 					break;
  50. 		}
  51. 	}
  52. 	answer();
  53.  
  54. 	return 0;
  55. }
  56.  
  57. void push(double value){
  58.  
  59. 	if(isFull()==1)
  60. 		stack[sp++]=value;
  61. 	else
  62. 		printf("スタックが満杯で入りませんでした。\n");
  63. }
  64.  
  65. double pop(void)
  66. {
  67. 	if(isEmpty()==1)
  68. 		return stack[--sp];
  69. 	else
  70. 		printf("スタックが空で取り出せませんでした。\n");
  71. 	return 0;
  72. }
  73.  
  74. int isFull(void){
  75. 	if(sp>=SIZE)
  76. 		return 0;
  77. 	else
  78. 		return 1;
  79. }
  80.  
  81. int isEmpty(void){
  82. 	if(sp<=0)
  83. 		return 0;
  84. 	else
  85. 		return 1;
  86. }
  87.  
  88. void answer(void){
  89. 	printf("answer:%f\n",pop());
  90. }
  91.  
  92. void reset(void){
  93. 	sp=0;
  94. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
copy 
5 6 5 3 1 5 1 5 2 1 4 9
stdout
copy 
data:6
data:3
data:1
data:2
answer:3.000000
https://ideone.com/pAq8BN
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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