結果
問題 | No.878 Range High-Element Query |
ユーザー | kcvlex |
提出日時 | 2019-09-06 22:35:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 147 ms / 2,000 ms |
コード長 | 4,270 bytes |
コンパイル時間 | 2,495 ms |
コンパイル使用メモリ | 190,828 KB |
実行使用メモリ | 13,024 KB |
最終ジャッジ日時 | 2024-06-24 20:00:59 |
合計ジャッジ時間 | 3,934 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 4 ms
6,016 KB |
testcase_01 | AC | 5 ms
5,888 KB |
testcase_02 | AC | 5 ms
6,016 KB |
testcase_03 | AC | 5 ms
6,016 KB |
testcase_04 | AC | 5 ms
6,016 KB |
testcase_05 | AC | 5 ms
6,144 KB |
testcase_06 | AC | 5 ms
6,016 KB |
testcase_07 | AC | 4 ms
6,016 KB |
testcase_08 | AC | 5 ms
6,144 KB |
testcase_09 | AC | 5 ms
6,144 KB |
testcase_10 | AC | 4 ms
5,888 KB |
testcase_11 | AC | 130 ms
12,484 KB |
testcase_12 | AC | 108 ms
11,652 KB |
testcase_13 | AC | 105 ms
10,700 KB |
testcase_14 | AC | 82 ms
9,976 KB |
testcase_15 | AC | 105 ms
11,604 KB |
testcase_16 | AC | 138 ms
12,748 KB |
testcase_17 | AC | 147 ms
13,024 KB |
testcase_18 | AC | 147 ms
13,024 KB |
ソースコード
// #define DEBUGGING #include <bits/stdc++.h> using namespace std; #define endl '\n' #define ALL(V) (V).begin(), (V).end() #define ALLR(V) (V).rbegin(), (V).rend() template <typename T> using V = vector<T>; template <typename T> using VV = V<V<T>>; using ll = int64_t; using ull = uint64_t; using PLL = pair<ll, ll>; template <typename T> const T& var_min(const T &t) { return t; } template <typename T> const T& var_max(const T &t) { return t; } template <typename T, typename... Tail> const T& var_min(const T &t, const Tail&... tail) { return min(t, var_min(tail...)); } template <typename T, typename... Tail> const T& var_max(const T &t, const Tail&... tail) { return max(t, var_max(tail...)); } template <typename T, typename... Tail> void chmin(T &t, const Tail&... tail) { t = var_min(t, tail...); } template <typename T, typename... Tail> void chmax(T &t, const Tail&... tail) { t = var_max(t, tail...); } template <typename T> const T& clamp(const T &t, const T &low, const T &high) { return max(low, min(high, t)); } template <typename T> void chclamp(T &t, const T &low, const T &high) { t = clamp(t, low, high); } namespace init__ { struct InitIO { InitIO() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(30); } } init_io; } #ifdef DEBUGGING // #include "../debug/debug.cpp" #include "../../debug/debug.cpp" #else #define DEBUG(...) 0 #define DEBUG_SEPARATOR_LINE 0 #endif template <typename T> T make_v(T init) { return init; } template <typename T, typename... Tail> auto make_v(T init, size_t s, Tail... tail) { #define rec make_v(init, tail...) return V<decltype(rec)>(s, rec); #undef rec } template <typename T> class SegmentTree { public: ll size; vector<T> node; function<T(T, T)> comp; T identity_ele; //comp(x, identity_ele) == x SegmentTree(vector<T> v, function<T(T, T)> comp, T identity_ele) : comp(comp), identity_ele(identity_ele) { ll tmp = 1; while(tmp < v.size()) tmp = (tmp << 1); this->size = tmp; this->identity_ele = identity_ele; this->comp = comp; node = V<T>(2 * size - 1, identity_ele); for(ll i = 0; i < v.size(); i++) { node[i + size - 1] = v[i]; } for(ll i = size - 2; 0 <= i; i--) { node[i] = comp(node[i * 2 + 1], node[i * 2 + 2]); } } void update(ll pos, T value) { pos += size - 1; node[pos] = value; while(pos > 0) { pos = (pos - 1) / 2; node[pos] = comp(node[2 * pos + 1], node[2 * pos + 2]); } } T query(ll a, ll b) { return sub_query(a, b, 0, 0, size); } T sub_query(ll a, ll b, ll k, ll l, ll r) { if(r <= a || b <= l) { return identity_ele; } else if(a <= l && r <= b) { return node[k]; } else { T left = sub_query(a, b, k * 2 + 1, l, (l + r) / 2); T right = sub_query(a, b, k * 2 + 2, (l + r) / 2, r); return comp(left, right); } } }; const ll inf = 5e15; using TLL = tuple<ll, ll, ll>; int main() { ll N, Q; cin >> N >> Q; V<ll> A(N); SegmentTree<ll> st_min(V<ll>(1e5 + 10, -1), [](ll a, ll b) { return max(a, b); }, -1); priority_queue<PLL> pq; for(ll i = 0; i < N; i++) { ll e; cin >> e; A[i] = e; ll idx = st_min.query(e, 1e5 + 10); pq.emplace(idx, i); st_min.update(e, i); } V<TLL> query(Q); for(ll i = 0; i < Q; i++) { ll q, l, r; cin >> q >> l >> r; query[i] = TLL(l - 1, r, i); } sort(ALL(query), [](TLL a, TLL b) { return get<0>(a) > get<0>(b); }); SegmentTree<ll> st(V<ll>(N, 1), [](ll a, ll b) { return a + b; }, 0); V<ll> ans(Q); for(auto &&ele : query) { ll l, r, idx; tie(l, r, idx) = ele; while(pq.size()) { ll left, p_idx; tie(left, p_idx) = pq.top(); if(left < l) break; pq.pop(); DEBUG(p_idx); st.update(p_idx, 0); } DEBUG(ele); ans[idx] = st.query(l, r); } for(auto &&ele : ans) cout << ele << endl; return 0; }