結果
問題 | No.878 Range High-Element Query |
ユーザー | saxofone111 |
提出日時 | 2021-03-23 10:36:37 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 284 ms / 2,000 ms |
コード長 | 4,826 bytes |
コンパイル時間 | 2,579 ms |
コンパイル使用メモリ | 218,156 KB |
実行使用メモリ | 15,284 KB |
最終ジャッジ日時 | 2024-05-03 21:40:27 |
合計ジャッジ時間 | 6,514 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 3 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 3 ms
5,376 KB |
testcase_05 | AC | 4 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 5 ms
5,376 KB |
testcase_09 | AC | 4 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 273 ms
14,380 KB |
testcase_12 | AC | 182 ms
12,744 KB |
testcase_13 | AC | 222 ms
11,612 KB |
testcase_14 | AC | 166 ms
9,492 KB |
testcase_15 | AC | 186 ms
12,644 KB |
testcase_16 | AC | 269 ms
14,876 KB |
testcase_17 | AC | 283 ms
15,160 KB |
testcase_18 | AC | 284 ms
15,284 KB |
ソースコード
#include "bits/stdc++.h" #define MOD 1000000007 #define rep(i, n) for(ll i=0; i < (n); i++) #define rrep(i, n) for(ll i=(n)-1; i >=0; i--) #define ALL(v) v.begin(),v.end() #define rALL(v) v.rbegin(),v.rend() #define FOR(i, j, k) for(ll i=j;i<k;i++) #define debug_print(var) cerr << #var << "=" << var <<endl; #define DUMP(i, v)for(ll i=0;i<v.size();i++)cerr<<v[i]<<" " #define fi first #define se second using namespace std; typedef long long int ll; typedef vector<ll> llvec; typedef vector<double> dvec; typedef pair<ll, ll> P; typedef long double ld; struct edge{ll x, c;}; /* struct segment_tree{ ll N; llvec v; ll init=5e18;//initial value ll f(ll a, ll b){ //function return min(a, b); } segment_tree(ll n){ N=1; while(N<n){ N*=2; } v = llvec(2*N-1, init); } void set(ll i, ll val){ i += N-1; v[i] = val; while(i>0){ i = (i-1)/2; v[i] = f(v[i*2+1], v[i*2+2]); } } void add(ll i, ll val){ i += N-1; v[i] += val; while(i>0){ i = (i-1)/2; v[i] = f(v[i*2+1], v[i*2+2]); } } ll get(ll L, ll R){// L <= i < R L += N-1; R += N-1; ll vl = init; ll vr = init; while(L<R){ if(L%2==0){ vl = f(vl, v[L]); L++; } if(R%2==0){ vr = f(vr, v[R-1]); R--; } R=(R-1)/2; L=(L-1)/2; } return f(vl, vr); } ll operator[](ll i){ return v[i+N-1]; } };*/ template <class S, S (*op)(S, S), S (*e)()> struct segtree { public: int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } segtree() : segtree(0) {} segtree(int n) : segtree(std::vector<S>(n, e())) {} segtree(const std::vector<S>& v) : _n(int(v.size())) { log = ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); return d[p + size]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } template <bool (*f)(S)> int max_right(int l) { return max_right(l, [](S x) { return f(x); }); } template <class F> int max_right(int l, F f) { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*f)(S)> int min_left(int r) { return min_left(r, [](S x) { return f(x); }); } template <class F> int min_left(int r, F f) { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; using S = ll; S op(S a, S b){ return a+b; } S e(){ return 0; } S op2(S a, S b){ return max(a, b); } S e2(){ return -1; } //segtree<S, op, e> sg(vector<S> a) using PP = pair<P, ll>; /************************************** ** A main function starts from here ** ***************************************/ int main(){ ll N, Q; cin >> N >> Q; llvec a(N, 0); llvec a2(N, -1); segtree<S, op2, e2> sg2(a2); vector<ll> loc(N); vector<P> val(N); rep(i, N){ ll t; cin >> t; ll tmp = sg2.prod(t, N); //cerr << t << " " << tmp <<" " << i<< endl; tmp = min(i, tmp); sg2.set(t-1, i); val[i] = {tmp, i}; } sort(ALL(val)); segtree<S, op, e> sg(a); vector<PP> que; llvec ans(Q, 0); rep(i, Q){ ll t, l, r; cin >> t >> l >> r; que.push_back({{l, r}, i}); } sort(ALL(que)); ll l = 0; for(auto iq: que){ while(l<N and iq.fi.fi-1>val[l].fi){ sg.set(val[l].se, 1); l++; } ans[iq.se] = sg.prod(iq.fi.fi-1, iq.fi.se); } for(auto iq: ans){ cout << iq << endl; } return 0; }