Wrong answer on test 5

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#define ll long long

using namespace std;

const ll P = 998244353;
const ll inv = 299473306;

int n;
ll x[100010], y[100010];

ll dist(ll x, ll y, ll xx, ll yy) {
    return sqrt((x - xx) * (x - xx) + (y - yy) * (y - yy));
}

void solve() {
    scanf("%d", &n);
    for (int i = 1; i <= n; i ++ ) scanf("%lld%lld", &x[i], &y[i]);
    ll xa, ya, xb, yb;
    scanf("%lld%lld%lld%lld", &xa, &ya, &xb, &yb);
    ll d = dist(xa, ya, xb, yb);
//  printf("%lld\n", d);
    for (int i = 1; i <= n; i ++ ) {
//      printf("%lld\n", dist(x[i], y[i], xb, yb));
        if ((dist(x[i], y[i], xa, ya) == 1 && dist(x[i], y[i], xb, yb) < d)
            || (dist(x[i], y[i], xa, ya) != 1 && dist(x[i], y[i], xb, yb) <= d)) {
            printf("NO\n");
            return;
        }
    }
    printf("YES\n");
}

int main() {
    int T;
    scanf("%d", &T);
    while (T -- ) solve();
    return 0;
}

感谢！