Initial commit: C language learning code

翁凯C语言/2/n的阶乘.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int main()
+{
+	int n;
+	scanf("%d", &n);
+
+	int a=1;
+	int b=1;
+
+	while(b<=n)
+	{
+		a=a*b;
+		b=b+1;
+	}
+	printf("n!=%d\n", a);
+
+	return 0;
+}