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  1. #include <stdio.h>
  2. #define SIZE 5
  3.  
  4. int stack[SIZE];
  5. int sp;
  6. void push(int value);
  7. int pop(void);
  8.  
  9. int main(void) {
  10. 	sp=0;
  11. 	int resp,data;
  12.  
  13. 	while(1){
  14. 		printf("1:push 2:pop 0:end");
  15. 		scanf("%d",&resp);
  16.  
  17. 		if(!resp){
  18. 			break;
  19. 		}
  20.  
  21. 		switch(resp){
  22. 			case 1:printf("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.  
  38. void push(int value){
  39. 	if(sp>=SIZE){
  40. 		printf("スタックが満杯\n");
  41. 	}
  42. 	else{
  43. 		stack[sp++]=value;
  44. 	}
  45. }
  46.  
  47. int pop(void){
  48. 	if(sp<=0){
  49. 		printf("スタックが空\n");
  50. 		return 0;
  51. 	}
  52. 	else{
  53. 		return stack[--sp];
  54. 	}
  55. }
Success #stdin #stdout 0s 5260KB
comments (?)
stdin
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1
10
1
20
1
30
2
2
0
stdout
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1:push 2:pop 0:endpush:sp=1
1:push 2:pop 0:endpush:sp=2
1:push 2:pop 0:endpush:sp=3
1:push 2:pop 0:endsp=2
1:push 2:pop 0:endsp=1
1:push 2:pop 0:end
stack[0]=10
https://ideone.com/OsyCCq
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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