C language is more than a variety of descriptions of size. Don't stick to one way of writing

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Preface  

One 、 Why try a variety of writing methods

Two 、 practice

1. The first way to write it

2. The second way

         3. The third way

summary

Preface  

c Language entry code Multiple implementations than size

Just like all kinds of problems in life , There are always various ways to solve , The code is the same

One 、 Why try a variety of writing methods

It is conducive to the opening of early ideas , Accept and adapt to the world of code faster

It can also help you better understand the code written by others , When you see different code, you can understand it rather than repel it

Two 、 practice

1. The first way to write it

The code is as follows ：

int main()// Than the size                       1
{
	int a = 0;
	int b = 0;
	scanf("%d %d", &a, &b);
	if (a > b)
		printf("%d\n", a);
	else
		printf("%d\n", b);
	return 0;
}

  Directly in main To realize a and b The calculation of , And output a larger value

2. The second way

The code is as follows ：

int max(int x, int y)  // Than the size             2  
{
    if (x > y)
        printf("%d\n", x);
    else
        printf("%d\n", y);
    return 0;
}
int main()
{
    int a = 0;
    int b = 0;
    scanf("%d %d", &a, &b);
    int c = max(a, b);
    return 0;
}

  Create a max, stay max At the same time, the ratio size and output , Take the whole thing outside to realize , Make the main code more concise

3. The third way

int max(int x,int y)      // Than the size                3
{
    if (x > y)
        return x;
    else
        return y;
}
int main()
{
    int a = 0;
    int b = 0;
    scanf("%d %d", &a, &b);
    int c = max(a, b);
    printf("%d\n", c);
    return 0;
}

 stay max Middle computation , from main Medium output 

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summary

That's what we're going to talk about today , This article only briefly introduces c The most basic use of language , And various forms of code .

Of course , The ratio of size is not only written in these three forms , What do you want to tell you , Code is not static , You can achieve your goal in a variety of ways , Don't limit yourself to one form , Restrict sb.'s activities to a designated area or sphere .

I hope it can help you better understand the code written by others , And better write code .