A.int a[2][3] B.int b[][3]={0,1,2,3} C.int c[100][100]={0} D.int a[3][]={{1,2},{1,2,3},{1,2,3,4}}
A.a[2][4] B.a[1,3] C.a[4][3] D.a[5][0]
A.整型:即為整數(shù)例如123 B.字符型:用單引號(hào)引起來(lái)的字符例如’a’,’\n’ C.浮點(diǎn)型:即為小數(shù)例如3.14 D.字符串型:用單雙號(hào)引起來(lái)的字符例如"china","a"