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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.  
  10. int main(void)
  11. {
  12.    sp=0;
  13.    int resp, data;
  14.  
  15.    while(1){
  16.        printf("1:push 2:pop 0:end : ");
  17.        scanf("%d",&resp);
  18.  
  19.        if(!resp) break;
  20.  
  21.        switch(resp){
  22.            case 1: printf("1:push : "); scanf("%d",&data);
  23.                    push(data);
  24.                    break;
  25.            case 2: pop();
  26.                    break;
  27.         }
  28.         printf("sp=%d\n",sp);
  29.      }
  30.      printf("\n");
  31.      for(int i=0; i<sp; i++){
  32.          printf("stack[%d]=%d \n", i, stack[i]);
  33.      }
  34.  
  35.      return 0;
  36. }
  37. void push(int value)
  38. {
  39.     if(sp >= SIZE){
  40.         printf("スタックが満杯で入りませんでした\n");
  41.     }else{
  42.          stack[sp++] = value;
  43.     }
  44. }
  45.  
  46. int pop(void)
  47. {
  48.     if(sp <= 0){
  49.         printf("スタックが空で取り出せませんでした\n");
  50.         return 0;
  51.     }else{
  52.         return stack[--sp];
  53.     }
  54. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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1 3 0
stdout
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1:push 2:pop 0:end : 1:push : sp=1
1:push 2:pop 0:end : 
stack[0]=3
https://ideone.com/uruJXn
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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