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  1. #include<stdio.h>
  2. int push(int[],int);
  3. int pop(int[],int);
  4. void disp(int[],int);
  5. int main()
  6. {
  7.     int max;
  8.     printf("enter size of stack");
  9.     scanf("%d",&max);
  10.     int stack[max];
  11.     int top=-1;
  12.     int c,u=0;
  13.     do
  14.     {
  15.        printf("enter choice\n1.for push\n2.for pop\n3.for disp");
  16.        scanf("%d",&c); 
  17.        switch(c)
  18.        {
  19.            case 1:
  20.            if(top==(max-1))
  21.            printf("stack overflow");
  22.            else
  23.            top=push(stack,top);
  24.            break;
  25.            case 2:
  26.            if(top==(-1))
  27.            printf("stack underflow");
  28.            else
  29.            top=pop(stack,top);
  30.            break;
  31.            case 3:
  32.            disp(stack,top);
  33.            default:printf("invalid input");
  34.            break;
  35.        }
  36.        printf("wanna continue");
  37.        scanf("%d",&u);
  38.     }
  39.     while(u==1);
  40.     return 0;
  41. }
  42. int push(int s[],int n)
  43. {
  44.     scanf("%d",&s[n]);
  45.     n++;
  46.     return n;
  47. }
  48. int pop(int s[],int n)
  49. {
  50.     printf("popped %d",s[n]);
  51.      n--;
  52.      return(n);
  53. }
  54. void disp(int s[],int n)
  55. {
  56.     int i;
  57.     for(i=n;i>=0;i++)
  58.     {
  59.         printf("%d",s[i]);
  60.     }
  61. }
  62.  
  63.  
  64.  
  65.  
Success #stdin #stdout 0s 5512KB
comments (?)
stdin
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Standard input is empty
stdout
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enter size of stackenter choice
1.for push
2.for pop
3.for dispinvalid inputwanna continue
https://ideone.com/oGKE9O
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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