X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fbeginners.git;a=blobdiff_plain;f=ggt.c;fp=ggt.c;h=b15e0f813aa68641e8badea386713d25fed3a2cb;hp=0000000000000000000000000000000000000000;hb=2473d40268a211cffc6bfbd8a19e66fce838c236;hpb=7d26cede0a579c4b9876f258fa629042f43e00d3

diff --git a/ggt.c b/ggt.c
new file mode 100644
index 0000000..b15e0f8
--- /dev/null
+++ b/ggt.c
@@ -0,0 +1,37 @@
+/* program to calculate the ggt of two integers */
+
+/* we include headers */
+#include <stdio.h>
+
+main()
+{
+
+/* declaration of variables */
+int zaehler, nenner;
+
+printf("Zaehler: ");
+scanf("%d",&zaehler);
+printf("Nenner: ");
+scanf("%d",&nenner);
+
+if ( nenner == 0 )
+	{
+	printf("never devide through zero, lamer :p\n");
+	exit(0);
+	}
+else
+	{
+	while ( zaehler != nenner )
+		{
+		if ( zaehler > nenner )
+			{
+			zaehler = zaehler - nenner;
+			}
+		else
+			{
+			nenner = nenner - zaehler;
+			}
+		}
+	printf("ggt = %d\n",zaehler);
+	}
+}