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Anonymous users2024-02-101.Variable name.
2.A comma expression, whose value takes the last term. 78 5 = 15 (decimal part do not do) 3Select a,-- x is equivalent to x=x-1;
Remainder operation. Formatting control", [Output Parameter 1,..
scanf("Formatting control", [input parameter 1,..6.No topic.
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Anonymous users2024-02-09||Simply for you.
Bai a few of it. You du
Just study hard.
1。You can think of dao as 5 ||a=b+c)==3) 。First of all, you have to have a clear idea, ||This one.
Weigh something, this is the most basic operation, either left or right is true, the result is true, and this expression only returns true, false can also be considered 1, 0. For the number 5, the result of a non-0 number is true, regardless of what is on the right, this result must be true or 1
2。This needs to clarify the memory occupied bytes of the int, at present, the int in the CPU is 4 bytes, according to your answer, the int should be 2 bytes. char is 1 byte.
3。First of all, know the difference between i++ and ++i. i++ is to use i after i is adding 1, ++i is i first adding 1 and then using, that is, i first adds 1, and then assigns a value to m, then i is 7, m is, that is, j is assigned to m first, and then 1 is added, then n=9, j=10
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Anonymous users2024-02-081) In the expression, if all operators have the same priority, ( Combine Direction ) should be used to determine the order of the operations.
2) There are two kinds of values of relational expressions, which are expressed by (0) and (1) in C.
3) The group with the highest priority of the relational operator is (<=,>,=) and the group with the lowest priority is (==,!).= ）。
4) The logical operators are ranked from lowest to highest priority as ( |
5) There are statements int x, y; x=3;Then the value of the expression y=x+ is (a).
A5 B4 The last question, because y is an integer, assign it to y, and only take the integer part to get 5
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Anonymous users2024-02-07Upstairs, there are two types of values for (2) relational expressions, which are expressed in C by (true) and (false).
Isn't that it?
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Try to think about it according to your girlfriend's hobbies, or you can talk a little bit about it! There is nothing special about not having a popular name, which does not meet your ideal requirements.