/***************************************************
##filename      : arrinsert.c
##author        : GYZ                               
##e-mail        : [email protected]                 
##create time   : 2018-10-31 09:54:39
##last modified : 2018-10-31 17:04:29
##description   : NA                                
***************************************************/
#include <stdio.h>                                  
#include <stdlib.h>                                 
#include <string.h>                                 
#include <time.h>
                                                    
void arrInsert(int a[],int n)
{
	int temp = 0;
	int i = 0,j = 0;
	
	for(i = 1; i < n; ++i)
	{
		temp = a[i];  /* just a flag*/
		for(j = i-1; j >= 0; --j)  /*compare from (i-1 to 0) with the flag*/
		{
			if(temp < a[j])
			{
				a[j+1] = a[j];
				a[j] = temp;
			}
			else
			{
				break;
			}
		}
	}
}
void printArr(int a[],int n)
{
	int i;
	for(i = 0; i < n; i++)
	{
		printf("%d,",a[i]);
	}                      
	printf("\n");                             

}                                                    
int main(int argc,char *argv[])                     
{                                                   
	int length = 0;
	int begin,end;

	int a[] = {21,22,23,24,25,26,27,28,29,30,11,12,13,14,15,16,17,18,19,20,10,3,5,6,1,9,4,8,2,7};
	
	length = sizeof(a) / sizeof(a[0]);
	begin = clock();
	arrInsert(a,length);
	end = clock();
	printf("%d\n",end-begin);
	printArr(a,length);

	return 0;                                       
}