#include<stdio.h>
int main()
{
int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
int month;
do{
printf("input a month:");
scanf("%d",&month);
}while(month<1||month>12);
printf("The numble of days is %d\n",days[month-1]);
return 0;
}
图片:
知识点:1.如何正确的使用数组
易错点:1.不能int a[]; 但可以这样a[5];也可以a[]={0};和a[5]={0}