题解 - 南师大算法竞赛域

黄辰飞 (njnu19180237) LV 9 @ 2019-03-31 13:27:01

#include <iostream>
#include <math.h>
using namespace std;
class Complex
{
    float real, image;
public:
    Complex()
    {

    }
    Complex(float r, float i)
    {
        real = r;
        image = i;
    }
    double Modulo()
    {
        return sqrt(real * real + image * image);
    }
    friend ostream& operator<<(ostream &o, Complex &c)
    {
        if (c.image > 0)
            return o << c.real << "+" << c.image << "i" << endl;
        else
        {
            if (c.image == 0)
                return o << c.real << endl;
            else
                return o << c.real << c.image << "i" << endl;
        }
            
    }
};
int main()
{
    int r1, r2, r3, i1, i2, i3;
    cin >> r1 >> i1 >> r2 >> i2 >> r3 >> i3;
    Complex c1(r1, i1), c2(r2, i2), c3(r3, i3);
    if (c1.Modulo() <= c2.Modulo())
    {
        if (c2.Modulo() <= c3.Modulo())
        {
            cout << c1 << c2 << c3;
        }
        else
        {
            if (c1.Modulo() <= c3.Modulo())
            {
                cout << c1 << c3 << c2;
            }
            else
            {
                cout << c3 << c1 << c2;
            }
        }
    }
    else
    {
        if (c1.Modulo() <= c3.Modulo())
        {
            cout << c2 << c1 << c3;
        }
        else
        {
            if (c2.Modulo() < c3.Modulo())
            {
                cout << c2 << c3 << c1;
            }
            else
            {
                cout << c3 << c2 << c1;
            }
        }
    }

    return 0;
}

-1
njnu10170115 (njnu10170115) LV 8 @ 2019-06-16 22:35:37

#include <iostream>
using namespace std;
class Complex
{
int a, b;
public:
Complex(int x = 0, int y = 0)
{
a = x;
b = y;
}

int operator<(const Complex& c2)
{
if ((a*a + b * b)<(c2.a*c2.a + c2.b*c2.b))
return 1;
else
return 0;
}

Complex operator=(const Complex &c2)
{
a = c2.a;
b = c2.b;
return *this;
}

void print()
{
if (b>0)
cout << a << "+" << b << "i" << endl;
if (b<0)
cout << a << b << "i" << endl;
if (b == 0)
cout << a << endl;
}
};

int main()
{
int a1, b1, a2, b2, a3, b3;
cin >> a1 >> b1;
cin >> a2 >> b2;
cin >> a3 >> b3;
Complex c1(a1, b1);
Complex c2(a2, b2);
Complex c3(a3, b3);
Complex t;
if (!(c1 < c2))
{
t = c1;
c1 = c2;
c2 = t;
}
if (!(c2 < c3))
{
t = c2;
c2 = c3;
c3 = t;
}
if (!(c1 < c2))
{
t = c1;
c1 = c2;
c2 = t;
}
c1.print();
c2.print();
c3.print();
}
-2
李圣凡@吴江区实验初级中学 (lsf123456lsf) LV 8 @ 2021-01-24 19:49:34

#include <iostream>
#include <math.h>
using namespace std;
class Complex
{
float real, image;
public:
Complex()
{

}
Complex(float r, float i)
{
real = r;
image = i;
}
double Modulo()
{
return sqrt(real * real + image * image);
}
friend ostream& operator<<(ostream &o, Complex &c)
{
if (c.image > 0)
return o << c.real << "+" << c.image << "i" << endl;
else
{
if (c.image == 0)
return o << c.real << endl;
else
return o << c.real << c.image << "i" << endl;
}

}
};
int main()
{
int r1, r2, r3, i1, i2, i3;
cin >> r1 >> i1 >> r2 >> i2 >> r3 >> i3;
Complex c1(r1, i1), c2(r2, i2), c3(r3, i3);
if (c1.Modulo() <= c2.Modulo())
{
if (c2.Modulo() <= c3.Modulo())
{
cout << c1 << c2 << c3;
}
else
{
if (c1.Modulo() <= c3.Modulo())
{
cout << c1 << c3 << c2;
}
else
{
cout << c3 << c1 << c2;
}
}
}
else
{
if (c1.Modulo() <= c3.Modulo())
{
cout << c2 << c1 << c3;
}
else
{
if (c2.Modulo() < c3.Modulo())
{
cout << c2 << c3 << c1;
}
else
{
cout << c3 << c2 << c1;
}
}
}

return 0;
}