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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. 	sp=0;
  12. 	int resp, data;
  13.  
  14. 	while(1){
  15. 		printf("1:push	2:pop	0:end :");
  16. 		scanf("%d",&resp);
  17.  
  18. 		if(!resp) break;
  19.  
  20. 		switch(resp){
  21. 			case 1:printf("push:	"); scanf("%d",&data);
  22. 						push(data);
  23. 						break;
  24. 			case 2:pop();
  25. 						break;
  26. 		}
  27. 		printf("sp=%d\n",sp);
  28. 	}
  29. 	printf("\n");
  30. 	for(int i=0; i<sp; i++){
  31. 		printf("stack[%d]=%d\n",i, stack[i]);
  32. 	}
  33. 	return 0;
  34. }
  35.  
  36. void push(int value){
  37. 	if(sp >= SIZE){
  38. 		printf("スタックが満杯で入りませんでした\n");
  39. 	}
  40. 	else{
  41. 		stack[sp++]=value;
  42. 	}
  43. }
  44.  
  45. int pop(void){
  46. 	if(sp <= 0){
  47. 			printf("スタックが空で取り出せませんでした\n");
  48. 			return 0;
  49. 		}
  50. 	else{
  51. 		return stack[--sp];
  52. 	}
  53. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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1 10  1 20 1 30 0
stdout
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1:push	2:pop	0:end :push:	sp=1
1:push	2:pop	0:end :push:	sp=2
1:push	2:pop	0:end :push:	sp=3
1:push	2:pop	0:end :
stack[0]=10
stack[1]=20
stack[2]=30
https://ideone.com/z90nDW
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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