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[PTIT]_C_Session 08_Mảng

Quiz
•
Information Technology (IT)
•
University
•
Easy
academy rikkei
Used 1+ times
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cần thêm gì trong scanf để truyền địa chỉ biến?
Không cần gì
Không có ký hiệu đặc biệt
Dấu *
Dấu &
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với
int a, b;
scanf("%d %d", &a, &b);
Nhập 5 10, giá trị a là?
5
10
15
Lỗi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lệnh scanf("%f", &x);
Yêu cầu biến x có kiểu dữ liệu nào?
int
double
float
char
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với
char str[10];
scanf("%s", str);
Nếu nhập "Hello World" thì str chứa gì?
"Hello world"
"Hello World"
"Hello"
"hello world"
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
scanf("%d,%d", &a, &b);
Yêu cầu người dùng nhập theo định dạng nào?
5 10
5,10
5, 10
510
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Định dạng để in số thực 2 chữ số thập phân là:
%.2f
%2f
%f2
%lf
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi nhấn Enter sau scanf, điều gì xảy ra?
\n bị bỏ qua
\n vẫn nằm trong buffer
Biến nhận giá trị \n
Tự động flush
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