qfedu-c-level/day11/homework/h1.c

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// 编写一个程序要求用户输入一个整数n然后动态创建一个大小为n的整数数组并通过循环将数组的元素赋值为1到n的连续整数。最后打印数组的内容。
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int *create_arr(int n)
{
int *p = (int *)malloc(n * sizeof(int *));
if (NULL == p)
{
perror("malloc");
exit(0);
}
memset(p, 0, n * sizeof(int *)); // 设定初始值为 0
int i = 0;
for (; i < n; i++)
*(p + i) = i + 1;
return p;
}
int main()
{
int n;
printf("请输入一个整数: ");
scanf("%d", &n);
int *nums = create_arr(n);
while (*nums)
printf("%d ", *(nums++));
printf("\n");
free(nums);
return 0;
}