A. [0,1,2,3,0,1,2,3,0,1,2,3] B. [[0,1,2,3], [0,1,2,3], [0,1,2,3]] C. [0,0,0,1,1,1,2,2,2,3,3,3] D. 都不正确
A. 1 2 3 4 5 6 7 8 9 B. 1 2 3 4 5 6 7 8 9 10 C. 2 4 6 8 D. 1 3 5 7 9
A. 1 2 3 4 5 B. 1 3 5 C. 1 2 3 4 D. 2 4
A. 编译出错 B. 1 C. -1 D. 以上结果都不正确
A. 0 B. 4 C. 5 D. -1