What does %- mean in C language?

The % operator in C language is used to calculate the remainder of the division of two integer values. The operation rules include: finding the remainder of a positive dividend and a positive divisor, finding the remainder of a negative dividend and a positive divisor, finding the remainder of a negative number in a positive dividend group, and finding the remainder of a negative dividend and a negative divisor with a negative sign. The syntax is: dividend %- divisor. It can be used to check divisibility, find differences, and generate random numbers.

%-operator in C language

In C language, %-operator is a module Operator used to calculate the remainder of the division of two integer values. This operator is used to determine the difference or remainder between two integers.

Operation rules:

%- The operator follows the following operation rules:

• Positive dividend, positive divisor: The result is the remainder of the dividend divided by the divisor.
• Negative dividend, positive divisor: Convert the dividend to a positive number, and then calculate the remainder, which is still a negative number.
• Positive dividend, negative divisor: The dividend remains unchanged, the divisor is converted to a positive number, and the result is the remainder of the dividend minus the divisor.
• Negative dividend, negative divisor: Convert both the dividend and the divisor to positive numbers, then calculate the remainder and add the sign of the divisor (negative sign).

Syntax:

%- The syntax of the operator is as follows:

<code>被除数 %- 除数</code>

Example:

The following are a few examples of using the %- operator:

• 10 % 3 is equal to 1 (remainder of 10 divided by 3)
• -10 % 3 is equal to -1 (the remainder when -10 is divided by 3, converted to a negative number)
• 10 % -3 is equal to 1 (the remainder when 10 is divided by -3 )
• -10 % -3 is equal to -1 (the remainder of -10 divided by -3, converted to a negative number)

Application:

%- operator can be used to solve various problems, such as:

• Determine whether a number is divisible by another number (remainder is 0)
• Find the difference between two numbers
• Generate random numbers

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