import sys
import numpy as np

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

MOD = 998244353

N, Q = map(int, readline().split())
A = np.array(readline().split(), np.int64)
Q = readlines()

A.sort()

P = np.zeros((N + 1, N + 1), np.int64)
x = 1
for a in A:
    x *= a
    x %= MOD
P[-1, 0] = x

for n in range(N - 1, -1, -1):
    a = A[n]
    inv = pow(int(a), MOD - 2, MOD)
    P[n] = P[n + 1] * (a - 1)
    P[n, 1:] += P[n + 1, :-1]
    P[n] %= MOD
    P[n] *= inv
    P[n] %= MOD

for query in Q:
    L, R, p = map(int, query.split())
    i = np.arange(L, R + 1)
    j = np.searchsorted(A, i)
    nums = P[j, p]
    print(np.bitwise_xor.reduce(nums))