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semester_2/programiranje_2/primeri/Example01a/Stack01a.cpp

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+#include "Stack01a.h"
+
+void init(Stack& s) {
+    s.top = EMPTY; }
+
+void push(Stack& s, int n) {
+    s.arr[++s.top] = n; }
+
+int pop(Stack& s) {
+    return s.arr[s.top--];}
+
+int isEmpty(Stack& s) {
+    return s.top == EMPTY;}
+
+

semester_2/programiranje_2/primeri/Example01a/Stack01a.h

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+#ifndef EXAMPLE01A_STACK01A_H
+#define EXAMPLE01A_STACK01A_H
+
+#define SIZE 50
+#define EMPTY (-1)
+
+struct Stack {
+    int arr[SIZE];
+    int top;
+};
+
+void init(Stack& s);
+void push(Stack& s, int n);
+int pop(Stack& s);
+int isEmpty(Stack& s);
+
+#endif //EXAMPLE01A_STACK01A_H

semester_2/programiranje_2/primeri/Example01a/main.cpp

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+#include <iostream>
+#include "Stack01a.h"
+
+int main() {
+    Stack my_stack1;
+    init(my_stack1);
+
+    Stack my_stack2;
+    init(my_stack2);
+
+    push(my_stack1, 7);
+    push(my_stack1,1);
+    push(my_stack2, 3);
+
+    //my_stack1.top=0;
+    //my_stack1.arr[1]=4;
+    std::cout << pop(my_stack1) << " ";
+    std::cout << pop(my_stack1) << " ";
+    std::cout << std::endl;
+
+    if (isEmpty(my_stack1))
+        std::cout << "Stack1 is empty" << std::endl;
+    else
+        std::cout << "Stack1 isn't empty" << std::endl;
+    if (isEmpty(my_stack2))
+        std::cout << "Stack2 is empty" << std::endl;
+    else
+        std::cout << "Stack2 isn't empty" << std::endl;
+    return 0;
+}