import sys
input = sys.stdin.readline

N,Q=map(int,input().split())
A=sorted(map(int,input().split()),reverse=True)
B=[list(map(int,input().split())) for i in range(Q)]

mod=998244353

DP=[[0]*(N+3) for i in range(N+1)]
DP[0][0]=1

for i in range(N):
    a=A[i]
    
    for j in range(N,-1,-1):
        DP[i+1][j]=(DP[i][j]*(a-1)+DP[i][j-1])%mod

#print(DP)

import bisect
AX=list(reversed(A))

KR=[1]
for a in AX:
    KR.append(KR[-1]*a%mod)

KR.reverse()

for l,r,x in B:
    ANS=0
    for k in range(l,r+1):
        t=bisect.bisect_left(AX,k)

        ANS^=DP[N-t][x]*KR[N-t]%mod
    print(ANS)