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How to implement remainder in C language

藏色散人
藏色散人Original
2020-04-26 10:46:328630browse

How to implement remainder in C language

Implementation method of remainder in C language

The remainder operator is "%", which is a binary operator in C language and requires two operands All are integers. The remainder is found to have the same sign as the dividend.

Recommended: "c Language Tutorial"

X%Y

1. It is very simple when X and Y are both positive numbers, such as: 12 %5==2;

2. When there are negative numbers,

(1) When they have different signs:

          if |x|>|y|
             ans:x+y
          else
            ans: x
eg:  -6%5==-1,6%(-5)==1,5%-6==5,-5%6==-5

(2) When they have the same sign, the two numbers will be Treated as a positive integer, but with a negative sign added to the result.

eg: -1%-5==-1,-6%-5==-1,-4%-5==-4,-5%-6==-5.

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