Answer Posted / surya8273@gmail.com

push means inserting an element on to the top of the stack.
lets define array of size 10,
int a[10]
Top<== -1 // stack is empty now.
Push(x)// x is a element to be push.lets take x=4
{
top<== top+1
// top will initialize to 1,now the top will be address to the 0 th index of array.//
a[Top]<== x
// insert x in to the 0th index of array(a[0]<== 4)//
}

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