some question about C++

来源:百度知道 编辑:UC知道 时间:2024/05/08 14:22:31
Hallo Everyone
Ich habe here some questions about C++.
What do the following Statements mean?
a) 7 / (double)2
b) (int) 14.0 / 5
c) (double)(7/3)
d) (int) (19.0/10) and

a) true && !false
b) true && (true || false)
c) (5.1 < 3.1) && (3.1 < 12.3)
d) !(9 % 2) || 9 % 3

Thanks for the answers!

sprechen sie deutsch?

a) 7 / (double)2
3.5

b) (int) 14.0 / 5
2

c) (double)(7/3)
2.333333333333333 有效位16位

d) (int) (19.0/10) and
1

a) true && !false
true

b) true && (true || false)
true

c) (5.1 < 3.1) && (3.1 < 12.3)
false

d) !(9 % 2) || 9 % 3
false

a 3.5
b 2
c 2.5
d 1

a true
b false
c false
d false