What does x*= mean in C language?

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Release: 2024-04-29 18:09:13
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The meaning of x *= in C language: compound assignment operator, making x equal to the product of x and y. Advantages: simplified code, easy to read and maintain. Usage: Finds the product of x and y and stores the product back into the x variable, overwriting its previous value. Note: y cannot be 0, otherwise a divide-by-zero error will occur.

What does x*= mean in C language?

The meaning of x *= in C language

In C language, x *= y is equivalent to x = x * y. This is a compound assignment operator that updates the value of the variable x to equal its value multiplied by y.

Usage:

x *= y The operator works as follows:

  1. find## The product of #x and y, that is, x * y.
  2. Store the product back into the
  3. x variable, overwriting its previous value.

Example:

int x = 5;
x *= 3; // 等效于 x = x * 3
// 现在 x 的值为 15
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Advantages:

x *= y Compound assignment Operators simplify code, making it easier to read and maintain. It allows a cleaner syntax to update the value of a variable without writing a separate assignment statement.

Note:

  • x *= y is only applicable to numeric quantities. The value of
  • y cannot be 0, otherwise a divide-by-zero error will result.

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