#include #include using namespace std; using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } int op(int a, int b) { return min(a, b); } int e() { return INF; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, q; cin >> n >> q; vectora(n); rep(i, n)cin >> a[i], a[i]--; segtreeseg(n); vectorb(n); rrep(i, n) { b[i] = seg.prod(a[i], n); if (INF == b[i])b[i] = n; seg.set(a[i], i); } int sz = 20; vector>dp(sz, vector(n + 1, n)); rep(i, n)dp[0][i] = b[i]; rep2(i, 1, sz) { rep(j, n) { dp[i][j] = dp[i - 1][dp[i - 1][j]]; } } while (q--) { int t, l, r; cin >> t >> l >> r; l--, r--; int ans = 1; rrep(i, sz) { if (dp[i][l] <= r) { ans += 1 << i; l = dp[i][l]; } } cout << ans << endl; } return 0; }