package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func getScanner(fp *os.File) *bufio.Scanner {
	scanner := bufio.NewScanner(fp)
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, 1000005), 1000005)
	return scanner
}
func getNextString(scanner *bufio.Scanner) string {
	scanner.Scan()
	return scanner.Text()
}
func getNextInt(scanner *bufio.Scanner) int {
	i, _ := strconv.Atoi(getNextString(scanner))
	return i
}
func getNextInt64(scanner *bufio.Scanner) int64 {
	i, _ := strconv.ParseInt(getNextString(scanner), 10, 64)
	return i
}
func getNextUint64(scanner *bufio.Scanner) uint64 {
	i, _ := strconv.ParseUint(getNextString(scanner), 10, 64)
	return i
}
func getNextFloat64(scanner *bufio.Scanner) float64 {
	i, _ := strconv.ParseFloat(getNextString(scanner), 64)
	return i
}
func main() {
	fp := os.Stdin
	wfp := os.Stdout
	cnt := 0
	if os.Getenv("MASPY") == "ますピ" {
		fp, _ = os.Open(os.Getenv("BEET_THE_HARMONY_OF_PERFECT"))
		cnt = 0
	}
	if os.Getenv("MASPYPY") == "ますピッピ" {
		wfp, _ = os.Create(os.Getenv("NGTKANA_IS_GENIUS10"))
	}
	scanner := getScanner(fp)
	writer := bufio.NewWriter(wfp)
	solve(scanner, writer)
	for i := 0; i < cnt; i++ {
		fmt.Fprintln(writer, "-----------------------------------")
		solve(scanner, writer)
	}
	writer.Flush()
}
func solve(scanner *bufio.Scanner, writer *bufio.Writer) {
	n := getNextInt(scanner)
	q := getNextInt(scanner)
	aa := make([]int, n)
	for i := 0; i < n; i++ {
		aa[i] = getNextInt(scanner)
	}
	sort.Ints(aa)
	ll := make([]mint, n+1)
	ll[0] = 1
	for i := 0; i < n; i++ {
		ll[i+1] = ll[i].mul(mint(aa[i]))
	}
	dp := makeGrid(n+1, n+1)
	dp[n][0] = 1
	for i := n - 1; i >= 0; i-- {
		dp[i][0].addAs(dp[i+1][0].mul(mint(aa[i] - 1)))
		for j := 0; j < n; j++ {
			dp[i][j+1].addAs(dp[i+1][j])
			dp[i][j+1].addAs(dp[i+1][j+1].mul(mint(aa[i] - 1)))
		}
	}
	for i := 0; i < q; i++ {
		l := getNextInt(scanner)
		r := getNextInt(scanner)
		p := getNextInt(scanner)
		ans := mint(0)
		for j := l; j < r+1; j++ {
			index := lower(j, aa)
			ans = ans ^ ll[index].mul(dp[index][p])
		}
		fmt.Fprintln(writer, ans.mod())
	}
}
func lower(x int, xx []int) int {
	l := -1
	r := len(xx)
	for l+1 < r {
		m := l + (r-l)>>1
		if xx[m] < x {
			l = m
			continue
		}
		r = m
	}
	return r
}
func makeGrid(h, w int) [][]mint {
	index := make([][]mint, h, h)
	data := make([]mint, h*w, h*w)
	for i := 0; i < h; i++ {
		index[i] = data[i*w : (i+1)*w]
	}
	return index
}

type mint int64

func (mt mint) mod() mint {
	m := mint(998244353)
	mt %= m
	if mt < 0 {
		return mt + m
	}
	return mt
}
func (mt mint) add(x mint) mint {
	return (mt + x).mod()
}
func (mt mint) mul(x mint) mint {
	return (mt * x).mod()
}
func (mt *mint) addAs(x mint) *mint {
	*mt = mt.add(x)
	return mt
}
func (mt *mint) mulAs(x mint) *mint {
	*mt = mt.mul(x)
	return mt
}