#include #include #include #include #include #include #include #include #define rep(i, a, b) for (int i = int(a); i < int(b); i++) using namespace std; using ll = long long int; using P = pair; // clang-format off #ifdef _DEBUG_ #define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; PPPPP(__VA_ARGS__); cerr << endl; } while(false) template void PPPPP(T t) { cerr << t; } template void PPPPP(T t, S... s) { cerr << t << ", "; PPPPP(s...); } #else #define dump(...) do{ } while(false) #endif template vector make_v(size_t a, T b) { return vector(a, b); } template auto make_v(size_t a, Ts... ts) { return vector(a, make_v(ts...)); } template bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; } template bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; } template void print(T a) { cout << a << '\n'; } template void print(T a, Ts... ts) { cout << a << ' '; print(ts...); } template istream &operator,(istream &in, T &t) { return in >> t; } // clang-format on const ll mod = 998244353; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, q; cin, n, q; vector a(n); rep(i, 0, n) { cin, a[i]; } sort(a.rbegin(), a.rend()); auto dp = make_v(n + 1, n + 1, 0LL); dp[0][0] = 1; rep(i, 0, n) { rep(j, 0, n + 1) { if (j + 1 <= n) { dp[i + 1][j + 1] += dp[i][j]; dp[i + 1][j + 1] %= mod; } dp[i + 1][j] += dp[i][j] * (a[i] - 1); dp[i + 1][j] %= mod; } } vector mul(n + 1, 1); rep(i, 0, n) { mul[n - i - 1] = mul[n - i] * a[n - i - 1]; mul[n - i - 1] %= mod; } rep(_, 0, q) { int l, r, p; cin, l, r, p; ll ans = 0; rep(t, l, r + 1) { int it = upper_bound(a.rbegin(), a.rend(), t) - a.rbegin(); ans ^= (dp[it][p] * mul[it]) % mod; } print(ans); } return 0; }