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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. 	while(1){
  14. 		printf("1:push 2:pop 0:end ");
  15. 		scanf("%d",&resp);
  16.  
  17. 		if(!resp) break;
  18.  
  19. 		switch(resp){
  20. 			case 1:scanf("%d",&data);
  21. 			push(data);
  22. 			break;
  23. 			case 2: pop();
  24. 			break;
  25. 		}
  26. 		printf("sp=%d\n",sp);
  27. 	}
  28. 	printf("\n");
  29. 	for(int i=0;i<sp;i++){
  30. 		printf("stack[%d]=%d ",i,stack[i]);
  31. 	}
  32. 	return 0;
  33. }
  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. 		return 0;
  40. 		}else{
  41. 			stack[sp]=value;
  42. 			sp++;
  43. 		}
  44. 	}
  45.  
  46. int pop(void){
  47. 	if(sp<=0){
  48. 		printf("スタックが空で取り出せませんでした\n");
  49. 		return 0;
  50. 	}else{
  51. 		return stack[--sp];
  52. 	}
  53. }
Success #stdin #stdout 0.01s 5268KB
comments (?)
stdin
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1 10 1 20 1 30  1 40 1 50 0
stdout
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1:push 2:pop 0:end sp=1
1:push 2:pop 0:end sp=2
1:push 2:pop 0:end sp=3
1:push 2:pop 0:end sp=4
1:push 2:pop 0:end sp=5
1:push 2:pop 0:end 
stack[0]=10 stack[1]=20 stack[2]=30 stack[3]=40 stack[4]=50
https://ideone.com/CVepXR
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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