For problem statement at 1000-1999/1300-1399/1360-1369/1369/problemF.txt this is a correct solution, but verifier at 1000-1999/1300-1399/1360-1369/1369/verifierF.go ends with test 1 failed
input:
1
13 32
expected:
1 0

got:
1 1

exit status 1 can you fix the verifier? package main

import (
	"bufio"
	"io"
	"os"
)

const (
	wsBit uint8 = 1
	lsBit uint8 = 2
	wnBit uint8 = 4
	lnBit uint8 = 8
)

var data []byte
var idx int

func nextUint64() uint64 {
	for idx < len(data) && (data[idx] < '0' || data[idx] > '9') {
		idx++
	}
	var x uint64
	for idx < len(data) && data[idx] >= '0' && data[idx] <= '9' {
		x = x*10 + uint64(data[idx]-'0')
		idx++
	}
	return x
}

func solve(s, e uint64) uint8 {
	if s > (e >> 1) {
		mask := lsBit
		if ((e - s) & 1) == 1 {
			mask |= wsBit
		} else {
			mask |= wnBit
		}
		return mask
	}
	m := e >> 1
	small := solve(s, m)
	if (e & 1) == 1 {
		mask := uint8(wnBit)
		if (s & 1) == 0 {
			mask = wsBit
		}
		mask |= (small & wsBit) << 1
		mask |= (small & wnBit) << 1
		return mask
	}
	return ((small & lsBit) >> 1) | ((small & lnBit) >> 1) | ((small & wsBit) << 1) | ((small & wnBit) << 1)
}

func trans(x, y, canLose, canWin bool) bool {
	return (x && y) || (x && canLose) || (y && canWin)
}

func main() {
	data, _ = io.ReadAll(os.Stdin)
	t := int(nextUint64())
	masks := make([]uint8, t)
	for i := 0; i < t; i++ {
		s := nextUint64()
		e := nextUint64()
		masks[i] = solve(s, e)
	}

	winLee, winIce := false, true
	loseLee, loseIce := true, false

	for i := t - 1; i >= 0; i-- {
		m := masks[i]
		cws := (m & wsBit) != 0
		cls := (m & lsBit) != 0
		cwn := (m & wnBit) != 0
		cln := (m & lnBit) != 0

		nWinLee := trans(winLee, winIce, cls, cws)
		nWinIce := trans(winLee, winIce, cln, cwn)
		nLoseLee := trans(loseLee, loseIce, cls, cws)
		nLoseIce := trans(loseLee, loseIce, cln, cwn)

		winLee, winIce = nWinLee, nWinIce
		loseLee, loseIce = nLoseLee, nLoseIce
	}

	out := bufio.NewWriterSize(os.Stdout, 32)
	if winLee {
		out.WriteByte('1')
	} else {
		out.WriteByte('0')
	}
	out.WriteByte(' ')
	if loseLee {
		out.WriteByte('1')
	} else {
		out.WriteByte('0')
	}
	out.WriteByte('\n')
	out.Flush()
}