Initial commit: C language learning code

翁凯C语言/2/n的阶乘2.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int main()
+{
+	int n;
+	scanf("%d", &n);
+
+	int a=1;
+	int b=n;
+
+	for(n=n;n>1;n-- )
+	{
+		a=a*n;
+	}
+	printf("%d!=%d\n", b, a);
+
+	return 0;
+}