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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
commit7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch)
treeb1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/EXAMPLES/fact2.c
Initial import (2.0.2-6)2.0.2-6
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+/***************************************************************************
+ *
+ * Purpose: generate the factorial of a number by recursion
+ * Author: M. J. Leslie
+ * Date: 09-Apr-94
+ *
+ ***************************************************************************/
+
+#include <stdio.h>
+
+int factorial(int num);
+
+main()
+{
+ int num;
+ puts ("This program will return the factorial of a number.");
+ printf("Please enter the number ==> " );
+ scanf("%d", &num);
+
+ printf(" %d! is %d\n",num, factorial(num) );
+}
+
+int factorial(int num)
+ {
+ int ans=1;
+ if (num == 1 ) return;
+ ans = num * factorial(num-1);
+ return ans;
+}