Understanding the Evaluation Order of an X Variable in C Programming

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SUMMARY

The discussion clarifies that the provided code snippet is written in C++, not C. It establishes that in C++, expressions are evaluated in the order they appear, meaning the calculation for variable y1 (6*x) is executed before y2 (5*x). Additionally, it suggests using a debugger with debugging symbols to observe the evaluation process of the code step-by-step.

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I am a novice to computer C programming,
here the progrm:

int main()
{
int x;
cin>>x;
int y1=6*x; //[1]
int y2=5*x; //[2]
count<<y1<<y2;
}

which [1] or [2] is evaluated first or equally evaluatd at the same time? :confused:
 
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porums said:
I am a novice to computer C programming,
here the progrm:

int main()
{
int x;
cin>>x;
int y1=6*x; //[1]
int y2=5*x; //[2]
count<<y1<<y2;
}

which [1] or [2] is evaluated first or equally evaluatd at the same time? :confused:

Firstly, that's C++ code, not C code.

Secondly, statements are typically evaluated in the order in which they appear. As a result, the statement defining the variable y1 is evaluated before that which defines y2.

More broadly speaking, if you ever find yourself confused about the evaluation of code, try compiling the code with debugging symbols. You can then step the code through a debugger and watch how each line is evaluated by displaying the variables.
 

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