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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. {
  16. double data,a,b;
  17.     reset();
  18.  
  19.     while(1)
  20.     {
  21.     int resp;
  22.     scanf("%d",&resp);
  23.  
  24.     switch(resp){
  25.     case 1: b = pop();
  26.             a = pop();
  27.             push(a+b);
  28. break;
  29.  
  30.     case 2: b =pop();
  31.             a =pop();
  32.             push(a-b);
  33. break;
  34.  
  35.     case 3: b =pop();
  36.             a =pop();
  37.             push(a*b);
  38. break;
  39.  
  40.     case 4: b = pop();
  41.             a = pop();
  42.             push(a/b);
  43. break;
  44.  
  45.     case 5: scanf("%lf", &data);
  46.                 printf("data:%f\n", data);
  47.                 push(data);
  48. break;
  49.  
  50.     case 9: answer();
  51.     return 0;
  52. break;
  53.  
  54.     }
  55. return 0;
  56. }
  57.  
  58. }
  59.  
  60. void push(double value)
  61. {
  62.   if(isFull()){
  63.    printf("スタックが満杯で入りませんでした\n");
  64.    }else{
  65.      stack[sp++]=value;
  66.     }
  67.  
  68. }
  69.  
  70. double pop(void)
  71. {
  72.    if(isEmpty()){
  73.     printf("スタックが空で取り出せませんでした");
  74.     return 0;
  75.    }else{
  76.     return stack[--sp];
  77. }
  78. }
  79.  
  80. int isFull(void)
  81. {
  82.    if(sp>=SIZE){
  83.      return 1;
  84. }else{
  85. return 0;
  86. }
  87. }
  88.  
  89. int isEmpty(void)
  90. {
  91.    if(sp<=0){
  92.     return 1;
  93.   }else{
  94.     return 0;
  95. }
  96. }
  97.  
  98. void answer(void)
  99. {
  100.     printf("\n");
  101.      for(int i=0; i<sp;i++){
  102.       printf("stack[%d]=%f\n", i, stack[i]);
  103.     }
  104. }
  105.  
  106. void reset(void)
  107. {
  108.    sp=0;
  109. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/3VaupR
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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