Create Decimaltohex.c

作用：十进制转十六进制
算法：递归
优点：代码量少
缺点：耗栈内存

Decimaltohex.c

@@ -0,0 +1,32 @@
+#include<stdio.h>
+#define N 16
+
+char hex[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
+
+void put(int num)
+{	
+	int m;
+
+	m=num%N;
+	num=num/N;
+
+	if(num>0)
+	{	
+		put(num);
+	}
+	printf("%c",hex[m]);
+  //printf("%d",m);     
+}
+
+int main()
+{
+
+	int num;
+	printf("input:"); 
+	scanf("%d",&num);
+	printf("output:"); 
+	put(num);
+	printf("\n");
+	system("pause");     
+	return 0;
+}