單項選擇題
A.小數(shù) B.char數(shù)組 C.int D.float
A.fp=fopen("file1","r") B.fp=fopen("file1","r+") C.fp=fopen("file1","a") D..fp=fopen("file1","w")
A.12 B.34 C.12345 D.提示出錯、無結(jié)果
A.a[2][4] B.a(2)(1) C.a[1+1][0] D.a[1,3]
下面程序段的輸出結(jié)果是() #include void main() { int j; int x[3][3]={1,2,3,4,5,6,7,8,9}; for (j=0;j<3;j++) printf(""%d "",x[j][2-j]); }
A.3 6 9 B.1 5 9 C.1 4 7 D.3 5 7
判斷題