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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. int isFull(void);
  10. int isEmpty(void);
  11. void display(void);
  12. void initialize(void);
  13.  
  14. int main(void)
  15. {
  16.     initialize();
  17.     int resp, data;
  18.  
  19.     while(1){
  20.         printf("1:push  2:pop  3:initialize  0:end : \n");
  21.         scanf("%d", &resp);
  22.  
  23.         if(resp == 0) break;
  24.  
  25.         switch(resp){
  26.             case 1:printf("pushする値："); scanf("%d", &data);
  27.                    push(data);
  28.                    break;
  29.             case 2:pop();
  30.                    break;
  31.             case 3:initialize();
  32.                    break;
  33.         }
  34.     }
  35.  
  36.     printf("sp=%d\n", sp);
  37.     display();
  38.     return 0;
  39. }
  40.  
  41.  
  42. void push(int value)
  43. {
  44.     if( isFull() ){
  45.         printf("スタックが満杯で入りませんでした\n");
  46.     } else {
  47.         stack[sp++] = value;
  48.     }
  49. }
  50.  
  51. int pop(void)
  52. {
  53.     if( isEmpty() ){
  54.         printf("スタックが空で取り出せませんでした\n");
  55.         return 0;
  56.     } else {
  57.         return stack[--sp];
  58.     }
  59. }
  60.  
  61. int isFull(void)
  62. {
  63.     if(sp >= SIZE){
  64.         return 1;
  65.     } else {
  66.         return 0;
  67.     }
  68. }
  69.  
  70. int isEmpty(void)
  71. {
  72.     if(sp <= 0){
  73.         return 1;
  74.     } else {
  75.         return 0;
  76.     }
  77. }
  78.  
  79. void display(void)
  80. {
  81.     printf("\n");
  82.     for(int i = 0; i < sp; i++){
  83.         printf("stack[%d]=%d\n", i, stack[i]);
  84.     }
  85. }
  86.  
  87. void initialize(void)
  88. {
  89.     sp = 0;
  90. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
1 2
2
0
stdout 
1:push  2:pop  3:initialize  0:end : 
pushする値：1:push  2:pop  3:initialize  0:end : 
1:push  2:pop  3:initialize  0:end : 
sp=0
https://ideone.com/z96NfE
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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