#include "stdio.h"
#include <stdlib.h>
#include <string.h>

//定義結構體型別
typedef struct T2
{
	char *name;
	int age;
	int score;
} T2;
//列印
void printfage(T2 *Array,int num)
{
	int i = 0;

	for(i=0;i<num;i++)
	{
		printf("Array[%d] age is %d.\n",i,Array[i].age);
	}
}
//排序
void sortage(T2 *Array,int num)
{
	int i = 0 , j = 0;

	for(i=0;i<num;i++)
	{
		for(j=i;j<num;j++)
		{
			if(Array[i].age<Array[j].age)
			{
				int temp = Array[i].age;
				Array[i].age = Array[j].age;
				Array[j].age = temp;
			}
		}
	}	
}
//建立空間
T2* creat(int num)
{
	T2* temp =NULL;
	int i = 0;

	temp = (T2*)malloc(sizeof(T2) * num);

	for(i=0;i<num;i++)
	{
		printf("Please input Array[%d] age:",i);
		scanf("%d",&(temp[i].age));
	}

	return temp;
}
//釋放空間
void freecreat(T2* p)
{
	if(p != NULL)
	{
		free(p);
	}
}

void main()
{
	T2* ptemp = NULL;
	int num = 3;
	int i=0;

	ptemp = creat(num);

	printfage(ptemp,num);

	sortage(ptemp,num);
	printfage(ptemp,num);

	freecreat(ptemp);

	system("pause");
}