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信息学奥赛历年真题

一、选择题

二、阅读程序1

二、阅读程序2

四、阅读程序3

五、完善程序1

六、完善程序2

阅读程序-初级

阅读程序-中级

试题分析及解题技巧

2 of 2

BCSP2024J

信息学奥赛历年真题
NOIP练习题
选择题
BCSP2024J

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Question 1 of 15

1. Question
1. 计算机的核心部件是什么（）？
A. 显示器
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B. 键盘
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C.中央处理器（CPU)
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D.鼠标
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Question 2 of 15

2. Question
1. 将十进制小数 9.375 转换为二进制小数，其正确的二进制表示是（）。
A. 1001.11
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B. 1011.11
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C.1001.011
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D. 1011.011
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Question 3 of 15

3. Question
1. 假设有一个内存显示为 96MB 的文件夹，里面存储的都是分辨率为 1024 × 2048 的24 位图像，请问理论上存储了（）张图像？(不考虑图像技术压缩对内存的优化)
A. 16 张
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B. 20 张
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C. 8 张
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D. 32 张
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Correct

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Question 4 of 15

4. Question
1. 有六个小朋友并排站一列，其中三个小朋友是三胞胎，如果要求这三个三胞胎必须相邻，则有（）种不同排列方法？
A. 72
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B. 48
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C. 144
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D. 218
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Correct

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Question 5 of 15

5. Question
1. 在 C++中，关于函数参数传递的说法，哪一个是正确的（）？
A. C++只支持值传递。
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B. C++只支持引用传递。
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C. C++既支持值传递也支持引用传递。
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D. C++只支持指针传递。
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Question 6 of 15

6. Question
1. 对于一个 8 位二进制整数，如果其原码是 10000011，则其补码是（）。
A. 01111100
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B. 01111101
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C. 11111100
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D. 11111101
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Question 7 of 15

7. Question
1. 用简单插入排序方法对下面四个序列进行排序（由小到大），元素比较次数最少的是（）。
A. 93, 32, 95, 13, 23, 15, 88, 37
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B. 62, 88, 37, 29, 39, 34, 72, 24
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C. 86, 76, 68, 26, 53, 12, 35, 59
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D. 21, 33, 47, 40, 80, 68, 90, 99
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Question 8 of 15

8. Question
1. 在 C++ 的 STL 中，如果你需要频繁地在序列的任意位置插入和删除元素，以下哪个容器将是最合适的选择（）？
A. std::vector
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B. std::queue
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C. std::stack
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D. std::list
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Question 9 of 15

9. Question
1. 已知一棵二叉树的前序遍历结果为 ABCDEF，中序遍历结果为 CBAEDF，则后序遍历的结果为（）。
A. CBEFDA
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B. FEDCBA
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C. CBEDFA
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D. EDCBFA
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Question 10 of 15

10. Question
1. C++中用于表示枚举类型的关键字是( )。
A. struct
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B. union
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C. enum
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D. static
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Question 11 of 15

11. Question
1. 有以下代码段，执行改代码输出的结果为（）。
int a[3] = {1, 3, 5};
int *p = &a[0];
int *q = p + 2;
cout << *(p+1) << “ ” << *q；
A. 2 3
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B. 2 4
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C. 3 4
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D. 3 5
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Correct

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Question 12 of 15

12. Question
1. 根据下面的流程图计算，若一开始输入的 m 与 n 的值分别为 10710 和 8208，则最后的输出是（）。
A. 8
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B. 18
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C. 90
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D. 306
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Correct

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Question 13 of 15

13. Question

13. 班级组织大家参加信息学比赛，现在要从班里选出3人组成一队进行报名，要求每个参赛队伍至少需要有一位女同学。已知班级里一共有15个男生，9个女生，则一共有（）种可能的组合。

A. 1569
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B. 2024
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C. 1940
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D. 1485
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Correct

Incorrect
Question 14 of 15

14. Question

14. 一家电信公司提供了多种流量套餐供用户选择，每种套餐有不同的流量上限和价格，并可以重复购买。用户可以根据自己的需求购买套餐，超出套餐的流量将按照更高的单价计费。

假设有以下套餐和超出套餐的流量单价：
套餐A：2GB流量，价格3元
套餐B：5GB流量，价格7元
套餐C：10GB流量，价格13元
超出套餐流量单价：2元/GB
现有用户预计需要使用128GB的流量，则该用户最少需要付费（）元？

A. 169
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B. 168
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C. 167
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D. 166
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Correct

Incorrect
Question 15 of 15

15. Question

15. 向一个栈顶指针为h的带头结点的链栈中插入指针p所指的结点，应执行（）。

A. h->next = p;
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B. p->next = h;
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C. p->next = h; p->next = p;
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D. p->next = h->next; h->next = p;
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Correct

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