计算浮点数相除的余数

计算两个浮点数相除的余数，公式a=k(商)*b+r(商)。

#include
using namespace std;
int main(){
	int k;
	double a,b,r;
	scanf("%lf%lf",&a,&b);
	k=a/b;
	r=a-k*b;
	printf("%g",r);
	return 0; 
}

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scanf printf:

【C语言】- printf 和scanf 函数详解！ - 哔哩哔哩