From c34cd59be89fb26e63fe959b98afabb4f24ba5bd Mon Sep 17 00:00:00 2001
From: Rasmus Luha <rasmus.luha@gmail.com>
Date: Wed, 21 Sep 2022 14:16:01 +0300
Subject: init commit

---
 src/main.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/main.c

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..ec1de31
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include "stack.h"
+
+int main() {
+	int x, y, z;
+
+	while (1) {
+		scanf("%d", &x);
+
+		// 1. Kui x==0 siis print stack.
+		if (x == 0){
+			printf("\nPrindin stacki\n");
+			stackPrint();
+			break;
+		}
+
+		// 2. Kui empty Push.
+		else if (stackIsEmpty())
+			stackPush(x);
+
+		// 3. Kui x pos. ja peeked pos: push(x).
+		// 4. kui x pos. aga peeked neg., y=pop() ja push(x+y).
+		else if (x >= 0){
+			y = stackPeek();
+			if (y >= 0)
+				stackPush(x);
+
+			else{
+				z = stackPop();
+				if (x+z != 0)
+					stackPush(x+z);
+			}
+		}
+
+		// 5. Kui x on neg, siis pop()
+		else if (x < 0) {
+			z = stackPop();
+			if (x+z != 0) {
+				stackPush(x+z);
+			}
+		}
+
+	} // While loop End
+	return 0;
+}
-- 
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