1845B - Come Together - CodeForces Solution

// COPYRIIGHT
// @SHARMA JI KA LADKA

#include <bits/stdc++.h>
using namespace std;

#define ll long long int
ll m = 1e9 + 7;

// AB NAHI HO PA RHA  HAI VRO

int main()
{
    ll t;
    cin >> t;
    while (t--)
    {
        ll x1, y1, x2, y2, x3, y3;
        cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
        ll ans = 1;
        ll d1 = x2 - x1;
        ll d2 = x3 - x1;
        ll d3 = y2 - y1;
        ll d4 = y3 - y1;
        if (d1 * d2 > 0)
        {

            ans += min(abs(d1), abs(d2));
        }
        if (d3 * d4 > 0)
        {
            ans += min(abs(d3), abs(d4));
        }
        cout << ans << endl;
    }
}