PZ5PVMark

#include<iostream>
#include<cmath>

using namespace std;

int main()
{
    int AX1, AY1, AX2, AY2, AX3, AY3;
    int BX1, BY1, BX2, BY2, BX3, BY3;
    cin >> AX1 >> AY1 >> AX2 >> AY2 >> AX3 >> AY3;
    cin >> BX1 >> BY1 >> BX2 >> BY2 >> BX3 >> BY3;

    float AL1, AL2, AL3;
    float BL1, BL2, BL3;
    float ALmax, BLmax;
    float Akat1, Akat2, Bkat1, Bkat2;

    AL1 = abs((AX1 - AX2) * (AX1 - AX2) + (AY1 - AY2) * (AY1 - AY2));
    AL2 = abs((AX1 - AX3) * (AX1 - AX3) + (AY1 - AY3) * (AY1 - AY3));
    AL3 = abs((AX2 - AX3) * (AX2 - AX3) + (AY2 - AY3) * (AY2 - AY3));

    BL1 = abs((BX1 - BX2) * (BX1 - BX2) + (BY1 - BY2) * (BY1 - BY2));
    BL2 = abs((BX1 - BX3) * (BX1 - BX3) + (BY1 - BY3) * (BY1 - BY3));
    BL3 = abs((BX2 - BX3) * (BX2 - BX3) + (BY2 - BY3) * (BY2 - BY3));

//  AL1 = (AX1 - AX2) + (AY1 - AY2);
//  AL2 = (AX1 - AX3) + (AY1 - AY3);
//  AL3 = (AX2 - AX3) + (AY2 - AY3);

//  BL1 = (BX1 - BX2) + (BY1 - BY2);
//  BL2 = (BX1 - BX3) + (BY1 - BY3);
//  BL3 = (BX2 - BX3) + (BY2 - BY3);

    ALmax = AL1;
    if (AL2 > ALmax) ALmax = AL2;
    if (AL3 > ALmax) ALmax = AL3;

    BLmax = BL1;
    if (BL2 > BLmax) BLmax = BL2;
    if (BL3 > BLmax) BLmax = BL3;

    if (ALmax == AL1)
    {
        Akat1 = AL2;
        Akat2 = AL3;
    }
    if (ALmax == AL2)
    {
        Akat1 = AL1;
        Akat2 = AL3;
    }
    if (ALmax == AL3)
    {
        Akat1 = AL1;
        Akat2 = AL2;
    }

    if (BLmax == BL1)
    {
        Bkat1 = BL2;
        Bkat2 = BL3;
    }
    if (BLmax == BL2)
    {
        Bkat1 = BL1;
        Bkat2 = BL3;
    }
    if (BLmax == BL3)
    {
        Bkat1 = BL1;
        Bkat2 = BL2;
    }

    BLmax = BL1;
    if (BL2 > BLmax) BLmax = BL2;
    if (BL3 > BLmax) BLmax = BL3;

    cout << "A: "<< ALmax << " " << Akat1 << " " << Akat2 << endl;
    cout << "B: " << BLmax << " " << Bkat1 << " " << Bkat2 << endl;

    if ((ALmax == Akat1 + Akat2) and (BLmax == Bkat1 + Bkat2))
        //((ALmax == Akat1 + Akat2) and (BLmax == Bkat1 + Bkat2) and (ALmax == BLmax))
        //(ALmax * ALmax == Akat1 * Akat1 + Akat2 * Akat2) and (BLmax * BLmax == Bkat1 * Bkat1 + Bkat2 * Bkat2) and
        cout << "YES";
    else cout << "NO";
}