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- #include <stdio.h>
- int MAXSIZE = 8;
- int stack[8];
- int top = -1;
- int isempty() {
- if(top == -1)
- return 1;
- else
- return 0;
- }
- int isfull() {
- if(top == MAXSIZE)
- return 1;
- else
- return 0;
- }
- int peek() {
- return stack[top];
- }
- int pop() {
- int data;
- if(!isempty()) {
- data = stack[top];
- top = top - 1;
- return data;
- } else {
- printf("Could not retrieve data, Stack is empty.\n");
- }
- }
- int push(int data) {
- if(!isfull()) {
- top = top + 1;
- stack[top] = data;
- } else {
- printf("Could not insert data, Stack is full.\n");
- }
- }
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