a和a[i]的区别

int a[i]
for(i=0;i<3;i++)
printf("%d",a)
和
int a[i]
for(i=0;i<3;i++)
printf("%d",a[i])
的区别
int a[i]
for(i=0;i<3;i++)
printf("%d",a)
输不出正确答案

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