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  1. #include <stdio.h>
  2.  
  3. #define SIZE 5
  4. int stack[5];
  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;
  14. 	int data;
  15.  
  16. 	while(1){
  17. 		printf("1:push 2:pop 0:end : ");
  18. 		scanf("%d", &resp);
  19.  
  20. 		if(!resp) break;
  21.  
  22. 		switch(resp){
  23. 			case 1: printf("push:");
  24. 			        scanf("%d",&data);
  25.                     push( data );
  26. 			        break;
  27.  
  28. 			case 2: pop();
  29. 			        break;
  30. 		}
  31. 		printf("sp=%d\n", sp);
  32. 	}
  33. 	printf("\n");
  34. 	for(int i=0; i<sp; i++){
  35. 		printf("stack[%d]=%d \n", i, stack[i]);
  36. 	}
  37. 	return 0;
  38. }
  39.  
  40. 	void push(int value)
  41.    {
  42. 		if(sp>=SIZE){
  43. 			printf("スタックが満杯で入りませんでした\n");
  44. 		}else{
  45. 			stack[sp++]=value;
  46. 		}
  47. 	}
  48.  
  49. 	int pop(void){
  50. 		if(sp<=0){
  51. 			printf("スタックが空で取り出せませんでした\n");
  52. 			return 0;
  53. 		}else{
  54. 			return stack[--sp];
  55. 		}
  56. 	}
  57. // your code goes here
  58.  
Success #stdin #stdout 0s 5320KB
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stdout
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1:push 2:pop 0:end : sp=0
1:push 2:pop 0:end : sp=0
1:push 2:pop 0:end : スタックが空で取り出せませんでした
sp=0
1:push 2:pop 0:end :
https://ideone.com/ajJrMB
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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