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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.  
  10. int isFull(void);
  11. int isEmpty(void);
  12. void answer(void);
  13. void reset(void);
  14.  
  15. int main(void) {
  16. 	reset();
  17. 	int resp;
  18. 	double date,cal1,cal2;
  19. 	while (1){
  20. 	 scanf("%d",&resp);
  21. 	 switch(resp){
  22. 	  case 1:cal1=pop();
  23. 			 cal2=pop();
  24. 			 push(cal1+cal2);
  25. 			break;
  26. 	  case 2:cal1=pop();
  27. 			 cal2=pop();
  28. 			 push(cal1-cal2);
  29. 			 break;
  30. 	  case 3:cal1=pop();
  31. 			 cal2=pop();
  32. 			 push(cal1*cal2);
  33. 			 break; 
  34. 	  case 4:cal1=pop();
  35. 			 cal2=pop();
  36. 			 push(cal1/cal2);
  37. 			 break;
  38. 	  case 5:scanf("%lf", &date);
  39. 			printf("%lf\n",date);
  40. 			push(date);
  41. 			break;
  42. 		}
  43. 	if(resp==9){
  44. 		break;
  45. 	}
  46.   }
  47. 	answer();
  48. 	return 0;
  49. }
  50. void push(double value){
  51. 	if(isFull()){
  52. 		printf("満杯\n");
  53. 	}else {
  54. 		stack[sp++] = value;
  55. 	}
  56. }
  57. double pop(void){
  58. 	if(isEmpty()){
  59. 		printf("空\n");
  60. 		return 0;
  61. 	}else {
  62. 		return stack[--sp];
  63. 	}
  64. }
  65. int isFull(void){
  66. 	if(sp>=SIZE){
  67. 		return 1;
  68. 	}else {
  69. 		return 0;
  70. 	}
  71. }
  72. int isEmpty(void){
  73. 	if(sp<=0){
  74. 		return 1;
  75. 	}else {
  76. 		return 0;
  77. 	}
  78. }
  79. void answer(void){
  80. 	printf("%f",pop());
  81. }
  82.  
  83. void reset(void){
  84. 	sp=0;
  85. }
  86.  
  87.  
  88.  
  89.  
  90.  
  91.  
  92.  
  93.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
copy 
5
8
5
2
1
5
2
5
3
1
4
9
stdout
copy 
8.000000
2.000000
2.000000
3.000000
0.500000
https://ideone.com/bOxTrd
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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