malloc()函数练习

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>


void main()
{
	//int num[1024 * 1024 * 10];			//数组只能处理小数据

	//int num = 100;
	//int number[num];			//数组的大小必须确定，但num是变量，值可以变化

	int num;
	scanf("%d", &num);
	int *p = (int *)malloc(num*sizeof(int));
	for (int *pnum = p, i = 0; pnum < p + num; pnum++, i++)
	{
		*pnum = i + 1;
		printf("%d,%x\n", *pnum, pnum);
	}

	system("pause");
}