第九周算法提高复数归一化

#include<iostream>
#include<cmath>
using namespace std;
int main(){
	float a,b,a1,b1;
	cin>>a>>b;
	a1=a/sqrt(a*a+b*b);
	b1=b/sqrt(a*a+b*b);
	a1=int(a1*10+0.5)/10.0;
	b1=int(b1*10+0.5)/10.0;
	cout<<a1<<"+"<<b1<<"i";
	return 0;
}