Poll: Kiểm tra kiến thức C - 1.8

qtd · March 2, 2015, 10:42am

Các bạn thảo luận đáp án nhé, bài test lấy từ http://www.indiabix.com/online-test/c-programming-test/11

Which of the following statements are correct about an array?

1: The array int num[26]; can store 26 elements.
2: The expression num[1] designates the very first element in the array.
3: It is necessary to initialize the array at the time of declaration.
4: The declaration num[SIZE] is allowed if SIZE is a macro.

A. 1
B. 1,4
C. 2,3
D. 2,4

ltd · October 27, 2014, 1:52pm

1: The array int num[26]; can store 26 elements. Đúng
2: The expression num[1] designates the very first element in the array. Sai, num[0] mới đúng.
3: It is necessary to initialize the array at the time of declaration. Sai, không cần thiết
4: The declaration num[SIZE] is allowed if SIZE is a macro. Đúng

=> B. 1,4