直接插入排序

#include<stdio.h>
#include<string.h>
#define MAX 200

int R[MAX];

//直接插入排序算法
void Insert_Order(int n) 
{
	int i,j;
	for(i=2;i<=n;i++)
	{
		if(R[i]<R[i-1])
		{
			R[0]=R[i];
			j=i-1;
			do{
				R[j+1]=R[j];
				j--;
			}while(R[0]<R[j]);
		}
		R[j+1]=R[0];
	}


}


int main()
{
	int n;
	int i;
	printf("Please input n under %d:
",MAX);
	scanf("%d",&n);
	if(n<1||n>MAX)
	{
		printf("Please input n above 1 and below %d
",MAX);
		return 0;
	}
	printf("Please input the array one by one:");
	for(i=1;i<=n;i++)
	{
		scanf("%d",&R[i]);
	}
	printf("The array you input is :");
	for(i=1;i<=n;i++)
	{
		printf("%d ",R[i]);
	}
	Insert_Order(n);
	printf("The array after order is:");
	for(i=1;i<=n;i++)
	{
		printf("%d ",R[i]);
	}
return 0;	
}