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C语言Array 数组基础知识测验

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C语言Array 数组基础知识测验
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

声明一个长度为 5 的整型数组的正确语法是?

int array[5];

int array{5};

int[5] array;

array[5] int;

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一行代码正确初始化一个整型数组?

int array[] = {1, 2, 3};

int array[3] = {1, 2};

int array[3] = {1, 2, 3};

以上皆对

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

假设 int arr[5] = {0};,数组 arr 中的元素值为?

未定义

所有元素初始化为 0

只有 arr[0] 为 0,其他为随机值

编译错误

Compilation error

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如何访问数组中第三个元素(假设数组为 int arr[5])?

arr(3)

arr[2]

arr[3]

arr[1]

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

数组索引的起始位置是?

0

1

2

-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

给定数组 int arr[3] = {10, 20, 30};arr[1] 的值是?

10

20

30

Undefined

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若 int arr[5];,则 arr[5] 表示什么?

第六个元素

数组的最后一个元素

数组外的无效元素

编译错误

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