fork download
copy 
  1. #include<stdio.h>
  2. #define SIZE 10
  3. double stack[SIZE];
  4. int sp;
  5.  
  6. void push(double value);
  7. double pop(void);
  8. int isFull(void);
  9. int isEmpty(void);
  10. void answer(void);
  11. void reset(void);
  12. int main(void){
  13. 	double data, a,b;
  14. 	int resp;
  15.     reset();
  16.  
  17.     while (1){
  18.     	scanf("%d",&resp);
  19.     	switch(resp){
  20.     	case 1: printf("足し算 ");
  21.     	b=pop();
  22.     	a=pop();
  23.     	push(a+b);
  24.     	break;
  25.  
  26.     	case 2: printf("引き算\n");
  27.     	b=pop();
  28.     	a=pop();
  29.     	push(a-b);
  30.     	break;
  31.  
  32.     	case 3:printf("掛け算\n");
  33.     	b=pop();
  34.     	a=pop();
  35.     	push(a*b);
  36.     	break;
  37.  
  38.     	case 4: printf("割り算\n");
  39.     	b=pop();
  40.     	a=pop();
  41.     	push(a/b);
  42.     	break; 
  43.  
  44.     	case 5: printf("データ入力");
  45.     	scanf("%lf", &data);
  46.     	push(data);
  47.     	printf("データ=%lf\n",data);
  48.     	break;
  49.  
  50.     	case 9:
  51.     	answer();
  52.     	return 0;
  53.     	}
  54.     }
  55.     answer();
  56.     return 0;
  57. }
  58.  
  59. void push(double value){
  60. 	if(isFull()){
  61. 		printf("スタックが入りませんでした\n");
  62. 	} else {
  63. 		stack[++sp]=value;
  64. 	}
  65.  
  66. }
  67.  
  68.     double pop(void) {
  69.     	if(isEmpty()){
  70.     		printf("スタックが空で取り出せませんでした");
  71.     		return 0;
  72.     	} else {
  73.     		return stack[sp--];
  74.     	}
  75.     }
  76.  
  77.     int isFull(void){
  78.     	if(sp>=SIZE-1){
  79.     		return 1;
  80.     	} else {
  81.     		return 0;
  82.     	}
  83.     }
  84. int isEmpty(void){
  85. 	if(sp<0){
  86. 		return 1;
  87. 	} else {
  88. 		return 0;
  89. 	}
  90. }
  91. void answer(){
  92. 	printf("answer:%f",stack[sp]);
  93. }
  94. void reset(void){
  95. 	sp=-1;
  96. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
5
1
5
2
1
9
stdout
copy 
データ入力データ=1.000000
データ入力データ=2.000000
足し算 answer:3.000000
https://ideone.com/fuo03y
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!