Questions
Single choice
What does the deck[52] array contain in the following statement? struct card a, deck[52], *cPtr;
Options
A.card structure elements
B.a structure elements
C.*cPtr elements
D.none of the others
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Step-by-Step Analysis
The question asks about what the array deck[52] holds in the declaration: struct card a, deck[52], *cPtr;.
Option 1: 'card structure elements' — This aligns with the understanding that deck is declared as an array of 52 elements of type struct card, so each element is a struct card. Thinking in terms of C syntax, deck[52] represents 5......Login to view full explanationLog in for full answers
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Similar Questions
One of the issues we observed in "particletest.c" was that the declaration of a variable that references a structure must use the struct keyword as well. For instance, let us take a look at the declaration of particle: ··· struct Particle particle = { 0 }; ··· To overcome this limitation, C allows us to declare new types by using the typedef keyword. This way, we have updated "particletest.c" to make the code more elegant and readable: ··· typedef struct { float x, y, z; } Position; typedef struct { Position position; } Particle; int main() { Particle particle = { 0 }; particle.position.x = 2; particle.position.y = 1; ··· } Given the fact that we are not specifying a tag anymore in the structure, is this code still correct?
One of the issues we observed in "particletest.c" was that the declaration of a variable that references a structure must use the struct keyword as well. For instance, let us take a look at the declaration of particle: 我们在"particletest.c"中发现的一个问题是：引用结构体的变量声明必须同时使用 struct 关键字。例如，我们来看一下 particle 的声明： ··· struct Particle particle = { 0 }; ··· To overcome this limitation, C allows us to declare new types by using the typedef keyword. This way, we have updated "particletest.c" to make the code more elegant and readable: 为了克服这一限制，C 语言允许使用 typedef 关键字来声明新类型。通过这种方式，我们更新了"particletest.c"使代码更加优雅和易读： ··· typedef struct { float x, y, z; } Position; typedef struct { Position position; } Particle; int main() { Particle particle = { 0 }; particle.position.x = 2; particle.position.y = 1; ··· } Given the fact that we are not specifying a tag anymore in the structure, is this code still correct? 考虑到我们不再在结构中指定标签，这段代码仍然正确吗？
We have a C source code file named "particletest.c", where we are defining a data structure that represents the position of a particle in (X,Y,Z). The idea is to have particle variable of type Particle, that internally contains a variable position of type Position. 我们有一个名为"particletest.c"的 C 源代码文件，其中定义了一个表示粒子在(X,Y,Z)位置的数据结构。目的是创建一个类型为 Particle 的粒子变量，其内部包含一个类型为 Position 的位置变量。 We have declared these two structures and the particle variable as follows: 我们按以下方式声明了这两个结构体和粒子变量： ··· struct { float x, y, z; } Position; struct { struct Position position; } Particle; int main() { struct Particle particle = { 0 }; particle.position.x = 2; particle.position.y = 1; ··· } Do you consider that this code would compile correctly as it is? 你认为这段代码在当前状态下能正确编译吗？
We have a C source code file named "particletest.c", where we are defining a data structure that represents the position of a particle in (X,Y,Z). The idea is to have particle variable of type Particle, that internally contains a variable position of type Position. We have declared these two structures and the particle variable as follows: ··· struct { float x, y, z; } Position; struct { struct Position position; } Particle; int main() { struct Particle particle = { 0 }; particle.position.x = 2; particle.position.y = 1; ··· } Do you consider that this code would compile correctly as it is?
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