%=

Description

This is a convenient shorthand to calculate the remainder when one integer is divided by another and assign it back to the variable the calculation was done on.

Syntax

x %= divisor; // equivalent to the expression x = x % divisor;

Parameter Values

  • x: variable. Allowed data types: int.
  • divisor: non zero variable or constant. Allowed data types: int.

Example Code

int x = 7; x %= 5; // x now contains 2

※ NOTES AND WARNINGS:

  1. The compound remainder operator does not work on floats.
  2. If the first operand is negative, the result is negative (or zero).

Therefore, the result of x %= 10 will not always be between 0 and 9 if x can be negative.

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