//#pragma GCC target("avx2,avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#include //using namespace atcoder; //using mint = modint998244353; //using mint = modint1000000007; #include using namespace std; //#include //#include //using namespace __gnu_pbds; //using i128 = __int128_t; using ll = long long; using ull = unsigned long long; using pii = pair; using pll = pair; #define rep(i, n) for(int i = 0; i < (n); ++i) #define all(x) (x).begin(),(x).end() #define SZ(x) ((int)(x).size()) constexpr char ln = '\n'; template inline bool chmax(T1 &a, T2 b) {if (a < b) {a = b; return true;} return false;} template inline bool chmin(T1 &a, T2 b) {if (a > b) {a = b; return true;} return false;} inline int topbit(int x) {return x == 0 ? -1 : 31-__builtin_clz(x);} inline int topbit(long long x) {return x == 0 ? -1 : 63-__builtin_clzll(x);} inline int botbit(int x) {return x == 0 ? 32 : __builtin_ctz(x);} inline int botbit(long long x) {return x == 0 ? 64 : __builtin_ctzll(x);} inline int popcount(int x) {return __builtin_popcount(x);} inline int popcount(long long x) {return __builtin_popcountll(x);} inline int kthbit(long long x, int k) {return (x>>k)&1;} inline void print() {cout << "\n";} template inline void print(const vector &v) { for (auto itr = v.begin(); itr != v.end(); ++itr) cout << *itr << " "; print(); } template inline void print(const T &x, const Args &... args) { cout << x << " "; print(args...); } #ifdef MINATO_LOCAL #define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl; inline void debug() {cerr << endl;} template inline void debug(const vector &v) { for (auto itr = v.begin(); itr != v.end(); ++itr) cerr << *itr << " "; debug(); } template inline void debug(const T &x, const Args &... args) { cerr << x << " "; debug(args...); } #else #define dump(x) void(0) inline void debug() {} template inline void debug(const vector &v) {} template inline void debug(const T &x, const Args &... args) {} #endif //struct Fast_ios {Fast_ios() {cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20);};} fast_ios; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// template struct SegmentTree { private: F op; T e; int _n, size ,log; vector node; public: SegmentTree() {} SegmentTree(const F& op, T e, int n) : SegmentTree(op, e, vector(n, e)) {} SegmentTree(const F& op, T e, const vector& v) : op(op), e(e), _n(int(v.size())), log(0) { while ((1< (2 * size, e); for (int i = 0; i < _n; i++) node[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } // (0-indexed) void set(int p, T x) { assert(0 <= p && p < _n); p += size; node[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } // [l, r) (0-indexed) T get(int l, int r) { if (l >= r) return e; T resl = e, resr = e; l += size; r += size; while (l < r) { if (l & 1) resl = op(resl, node[l++]); l >>= 1; if (r & 1) resr = op(node[--r], resr); r >>= 1; } return op(resl, resr); } T all_get() { return node[1]; } template int max_right(int l, const C& check) { assert(0 <= l && l <= _n); assert(check(e)); if (l == _n) return _n; l += size; T sm = e; do { while (~l & 1) l >>= 1; if (!check(op(sm, node[l]))) { while (l < size) { l = (2 * l); if (check(op(sm, node[l]))) { sm = op(sm, node[l]); l++; } } return l - size; } sm = op(sm, node[l]); l++; } while ((l & -l) != l); return _n; } template int min_left(int r, const C& check) { assert(0 <= r && r <= _n); assert(check(e)); if (r == 0) return 0; r += size; T sm = e; do { r--; while (r > 1 && (r & 1)) r >>= 1; if (!check(op(node[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(op(node[r], sm))) { sm = op(node[r], sm); r--; } } return r + 1 - size; } sm = op(node[r], sm); } while ((r & -r) != r); return 0; } T operator[](int p) { assert(0 <= p && p < _n); return node[p + size]; } private: void update(int k) { node[k] = op(node[2 * k], node[2 * k + 1]); } }; struct SuccinctIndexableDictionary { size_t length; size_t blocks; vector< unsigned > bit, sum; SuccinctIndexableDictionary() = default; SuccinctIndexableDictionary(size_t length) : length(length), blocks((length + 31) >> 5) { bit.assign(blocks, 0U); sum.assign(blocks, 0U); } void set(int k) { bit[k >> 5] |= 1U << (k & 31); } void build() { sum[0] = 0U; for(int i = 1; i < blocks; i++) { sum[i] = sum[i - 1] + __builtin_popcount(bit[i - 1]); } } bool operator[](int k) { return (bool((bit[k >> 5] >> (k & 31)) & 1)); } int rank(int k) { return (sum[k >> 5] + __builtin_popcount(bit[k >> 5] & ((1U << (k & 31)) - 1))); } int rank(bool val, int k) { return (val ? rank(k) : k - rank(k)); } }; template struct WaveletMatrix { size_t length; SuccinctIndexableDictionary matrix[MAXLOG]; int mid[MAXLOG]; WaveletMatrix() = default; WaveletMatrix(vector< T > v) : length(v.size()) { vector< T > l(length), r(length); for(int level = MAXLOG - 1; level >= 0; level--) { matrix[level] = SuccinctIndexableDictionary(length + 1); int left = 0, right = 0; for(int i = 0; i < length; i++) { if(((v[i] >> level) & 1)) { matrix[level].set(i); r[right++] = v[i]; } else { l[left++] = v[i]; } } mid[level] = left; matrix[level].build(); v.swap(l); for(int i = 0; i < right; i++) { v[left + i] = r[i]; } } } pair< int, int > succ(bool f, int l, int r, int level) { return {matrix[level].rank(f, l) + mid[level] * f, matrix[level].rank(f, r) + mid[level] * f}; } // v[k] T access(int k) { T ret = 0; for(int level = MAXLOG - 1; level >= 0; level--) { bool f = matrix[level][k]; if(f) ret |= T(1) << level; k = matrix[level].rank(f, k) + mid[level] * f; } return ret; } T operator[](const int &k) { return access(k); } // count i s.t. (0 <= i < r) && v[i] == x int rank(const T &x, int r) { int l = 0; for(int level = MAXLOG - 1; level >= 0; level--) { tie(l, r) = succ((x >> level) & 1, l, r, level); } return r - l; } // k-th(0-indexed) smallest number in v[l,r) T kth_smallest(int l, int r, int k) { assert(0 <= k && k < r - l); T ret = 0; for(int level = MAXLOG - 1; level >= 0; level--) { int cnt = matrix[level].rank(false, r) - matrix[level].rank(false, l); bool f = cnt <= k; if(f) { ret |= T(1) << level; k -= cnt; } tie(l, r) = succ(f, l, r, level); } return ret; } // k-th(0-indexed) largest number in v[l,r) T kth_largest(int l, int r, int k) { return kth_smallest(l, r, r - l - k - 1); } // count i s.t. (l <= i < r) && (v[i] < upper) int range_freq(int l, int r, T upper) { int ret = 0; for(int level = MAXLOG - 1; level >= 0; level--) { bool f = ((upper >> level) & 1); if(f) ret += matrix[level].rank(false, r) - matrix[level].rank(false, l); tie(l, r) = succ(f, l, r, level); } return ret; } // count i s.t. (l <= i < r) && (lower <= v[i] < upper) int range_freq(int l, int r, T lower, T upper) { return range_freq(l, r, upper) - range_freq(l, r, lower); } // max v[i] s.t. (l <= i < r) && (v[i] < upper) T prev_value(int l, int r, T upper) { int cnt = range_freq(l, r, upper); return cnt == 0 ? T(-1) : kth_smallest(l, r, cnt - 1); } // min v[i] s.t. (l <= i < r) && (lower <= v[i]) T next_value(int l, int r, T lower) { int cnt = range_freq(l, r, lower); return cnt == r - l ? T(-1) : kth_smallest(l, r, cnt); } }; int main() { int N,Q; cin >> N >> Q; vector A(N); rep(i,N) cin >> A[i], A[i]--; vector pre(N); auto f=[](int a, int b) {return max(a,b);}; const int e = 0; SegmentTree seg(f,e,N); rep(i,N) { pre[i] = seg.get(A[i]+1,N); seg.set(A[i],i+1); } WaveletMatrix WM(pre); while (Q--) { int t,l,r; cin >> t >> l >> r; l--; cout << WM.range_freq(l,r,l+1) << ln; } }