init commit

1 files changed, 45 insertions, 0 deletions

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;
+}