For problem statement at 2000-2999/2000-2099/2000-2009/2002/problemC.txt this is a correct solution, but verifier at 2000-2999/2000-2099/2000-2009/2002/verifierC.go ends with All tests passed. can you fix the verifier? package main

import (
	"bufio"
	"fmt"
	"math/bits"
	"os"
)

type FastScanner struct {
	r *bufio.Reader
}

func NewFastScanner() *FastScanner {
	return &FastScanner{r: bufio.NewReaderSize(os.Stdin, 1<<20)}
}

func (fs *FastScanner) nextInt64() int64 {
	sign := int64(1)
	var val int64
	c, _ := fs.r.ReadByte()
	for (c < '0' || c > '9') && c != '-' {
		c, _ = fs.r.ReadByte()
	}
	if c == '-' {
		sign = -1
		c, _ = fs.r.ReadByte()
	}
	for c >= '0' && c <= '9' {
		val = val*10 + int64(c-'0')
		c2, err := fs.r.ReadByte()
		if err != nil {
			break
		}
		c = c2
	}
	return val * sign
}

func abs64(x int64) uint64 {
	if x < 0 {
		return uint64(-x)
	}
	return uint64(x)
}

func sqDist128(x1, y1, x2, y2 int64) (uint64, uint64) {
	dx := abs64(x1 - x2)
	dy := abs64(y1 - y2)
	hiX, loX := bits.Mul64(dx, dx)
	hiY, loY := bits.Mul64(dy, dy)
	lo, c := bits.Add64(loX, loY, 0)
	hi, _ := bits.Add64(hiX, hiY, c)
	return hi, lo
}

func less128(ahi, alo, bhi, blo uint64) bool {
	if ahi != bhi {
		return ahi < bhi
	}
	return alo < blo
}

func main() {
	in := NewFastScanner()
	out := bufio.NewWriterSize(os.Stdout, 1<<20)
	defer out.Flush()

	t := int(in.nextInt64())
	for ; t > 0; t-- {
		n := int(in.nextInt64())
		xs := make([]int64, n)
		ys := make([]int64, n)
		for i := 0; i < n; i++ {
			xs[i] = in.nextInt64()
			ys[i] = in.nextInt64()
		}
		xs0 := in.nextInt64()
		ys0 := in.nextInt64()
		xt := in.nextInt64()
		yt := in.nextInt64()

		dhi, dlo := sqDist128(xs0, ys0, xt, yt)

		minHi, minLo := uint64(^uint64(0)), uint64(^uint64(0))
		for i := 0; i < n; i++ {
			hi, lo := sqDist128(xs[i], ys[i], xt, yt)
			if less128(hi, lo, minHi, minLo) {
				minHi, minLo = hi, lo
			}
		}

		if less128(dhi, dlo, minHi, minLo) {
			fmt.Fprintln(out, "YES")
		} else {
			fmt.Fprintln(out, "NO")
		}
	}
}