代码题练习

1.@#include<stdio.h>
int main()
{
int arr []={ 73,32, 99, 97, 110, 32, 111, 105, 116, 33 };
int i = 0;
int sz = sizeof(arr) / sizeof(arr[0]);//整个数组占用的总字节数除以数组单个元素
//占用四个字节得到数组元素总个数
while (i < sz)
{
printf(“%c”, arr[i]);//%c专门用来把ASCII码值转为字符输出
i++;
}
return 0;
}

#include<stdio.h>
int main()
{
int year = 0;
int month = 0;
int date = 0;
scanf(“%4d %2d %2d”, &year, &month, &date);//数字表示读取几个字符
printf(“year=%4d\n”, year);
printf(“month=%02d\n”, month);
printf(“date=%02d\n”, date);
return 0;
}