From 83f659d36b8c64209b72e70583cb4f0a6852e7be Mon Sep 17 00:00:00 2001
From: Andrew <saintruler@gmail.com>
Date: Wed, 10 Feb 2021 22:18:52 +0400
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---
 structures/stack.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 structures/stack.h

(limited to 'structures/stack.h')

diff --git a/structures/stack.h b/structures/stack.h
new file mode 100644
index 0000000..171f8ae
--- /dev/null
+++ b/structures/stack.h
@@ -0,0 +1,32 @@
+#pragma once
+
+struct stack
+{
+    int inf;
+    stack *next;
+};
+
+void push(stack *&h, int x)
+{
+    stack *r = new stack;
+    r->inf = x;
+    r->next = h;
+    h = r;
+}
+
+int pop(stack *&h)
+{
+    int i = h->inf;
+    stack *r = h;
+    h = h->next;
+    delete r;
+    return i;
+}
+
+void reverse(stack *&h)
+{
+    stack *head1 = NULL;
+    while (h)
+        push(head1, pop(h));
+    h = head1;
+}
-- 
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