What does x/=10 mean in C language?

x /= 10 operator divides x by 10 and stores the result back into x. It is equivalent to x = x / 10, using the /= operator to abbreviate the division operation.

x/=10 means in C language

x /= 10 is a compound in C language Assignment operator, which is equivalent to x = x / 10.

Meaning:

• / operator represents division, dividing x by 10. The
• = operator represents an assignment, storing the result back to x.

Thus, x /= 10 means dividing the value of x by 10 and storing the result back in x.

Usage:

x /= 10 operator is often used to abbreviate division operations because it is more efficient than using /## alone The # and = operators are more concise. For example:

<code class="c">int x = 20;

// 缩写除法
x /= 10;

// 等同于
x = x / 10;</code>

In this example,

x /= 10 will divide the value of x by 10, resulting in 2, and store it back to x.

It should be noted that:

• x /= 10 The operator can only be used for integer variables.
If x is 0, dividing by 10 may produce a runtime error. The precedence of the
• operator: The
• /= operator has a higher precedence than the = operator.

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