結果

問題 No.1778 括弧列クエリ / Bracketed Sequence Query
ユーザー fuppy_kyoprofuppy_kyopro
提出日時 2021-12-07 01:08:14
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 499 ms / 2,000 ms
コード長 5,312 bytes
コンパイル時間 2,872 ms
コンパイル使用メモリ 212,940 KB
実行使用メモリ 24,824 KB
最終ジャッジ日時 2023-09-21 16:18:54
合計ジャッジ時間 13,783 ms
ジャッジサーバーID
(参考情報)
judge15 / judge14
このコードへのチャレンジ
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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 313 ms
4,380 KB
testcase_01 AC 312 ms
4,380 KB
testcase_02 AC 323 ms
4,376 KB
testcase_03 AC 306 ms
4,380 KB
testcase_04 AC 327 ms
4,380 KB
testcase_05 AC 214 ms
13,080 KB
testcase_06 AC 143 ms
5,396 KB
testcase_07 AC 11 ms
7,804 KB
testcase_08 AC 414 ms
24,560 KB
testcase_09 AC 48 ms
13,088 KB
testcase_10 AC 188 ms
24,088 KB
testcase_11 AC 159 ms
13,348 KB
testcase_12 AC 239 ms
13,060 KB
testcase_13 AC 381 ms
24,288 KB
testcase_14 AC 166 ms
23,812 KB
testcase_15 AC 1 ms
4,376 KB
testcase_16 AC 406 ms
24,548 KB
testcase_17 AC 423 ms
24,548 KB
testcase_18 AC 416 ms
24,608 KB
testcase_19 AC 428 ms
24,556 KB
testcase_20 AC 419 ms
24,532 KB
testcase_21 AC 2 ms
4,380 KB
testcase_22 AC 1 ms
4,376 KB
testcase_23 AC 341 ms
24,032 KB
testcase_24 AC 339 ms
24,532 KB
testcase_25 AC 400 ms
24,548 KB
testcase_26 AC 499 ms
24,800 KB
testcase_27 AC 338 ms
24,824 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

/*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//*/

#include <bits/stdc++.h>

// #include <atcoder/all>
// #include <atcoder/maxflow>

using namespace std;
// using namespace atcoder;

#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_VEC(v)                                        \
    cerr << #v << ":";                                      \
    for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \
        cerr << " " << v[iiiiiiii];                         \
    cerr << endl;
#define DEBUG_MAT(v)                                \
    cerr << #v << endl;                             \
    for (int iv = 0; iv < v.size(); iv++) {         \
        for (int jv = 0; jv < v[iv].size(); jv++) { \
            cerr << v[iv][jv] << " ";               \
        }                                           \
        cerr << endl;                               \
    }
typedef long long ll;
// #define int ll

#define vi vector<int>
#define vl vector<ll>
#define vii vector<vector<int>>
#define vll vector<vector<ll>>
#define vs vector<string>
#define pii pair<int, int>
#define pis pair<int, string>
#define psi pair<string, int>
#define pll pair<ll, ll>
template <class S, class T>
pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) {
    return pair<S, T>(s.first + t.first, s.second + t.second);
}
template <class S, class T>
pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template <class S, class T>
ostream &operator<<(ostream &os, pair<S, T> p) {
    os << "(" << p.first << ", " << p.second << ")";
    return os;
}
#define X first
#define Y second
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rrep1(i, n) for (int i = (int)(n); i > 0; i--)
#define REP(i, a, b) for (int i = a; i < b; i++)
#define in(x, a, b) (a <= x && x < b)
#define all(c) c.begin(), c.end()
void YES(bool t = true) {
    cout << (t ? "YES" : "NO") << endl;
}
void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; }
void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; }
void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; }
void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; }
void no(bool t = true) { cout << (t ? "no" : "yes") << endl; }
template <class T>
bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
bool chmin(T &a, const T &b) {
    if (a > b) {
        a = b;
        return 1;
    }
    return 0;
}
#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());
const ll inf = 1000000001;
const ll INF = (ll)1e18 + 1;
const long double pi = 3.1415926535897932384626433832795028841971L;
int popcount(ll t) { return __builtin_popcountll(t); }
// int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
// int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
vi dx = {0, 1, 0, -1}, dy = {-1, 0, 1, 0};
// vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 };
struct Setup_io {
    Setup_io() {
        ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        cout << fixed << setprecision(25);
    }
} setup_io;
// const ll MOD = 1000000007;
const ll MOD = 998244353;
// #define mp make_pair
//#define endl '\n'

template <typename T>
struct SparseTable {
    vector<vector<T>> st;
    using F = function<T(T &, T &)>;
    F f;

    SparseTable() {}

    SparseTable(const vector<T> &v, const F &f) : f(f) {
        int b = 0;
        while ((1 << b) <= v.size())
            ++b;
        st.assign(b, vector<T>(1 << b));
        for (int i = 0; i < v.size(); i++) {
            st[0][i] = v[i];
        }
        for (int i = 1; i < b; i++) {
            for (int j = 0; j + (1 << i) <= (1 << b); j++) {
                st[i][j] = f(st[i - 1][j], st[i - 1][j + (1 << (i - 1))]);
            }
        }
    }

    inline T query(int l, int r) // [l, r)
    {
        int b = 32 - __builtin_clz(r - l) - 1;
        return (f(st[b][l], st[b][r - (1 << b)]));
    }
};

signed main() {
    int n, q;
    cin >> n >> q;
    string s;
    cin >> s;
    vi sum(n + 1);
    rep(i, n) {
        if (s[i] == '(')
            sum[i + 1] = sum[i] + 1;
        else
            sum[i + 1] = sum[i] - 1;
    }

    stack<int> st;
    vi pa(n);
    rep(i, n) {
        if (s[i] == '(') {
            st.push(i);
        } else {
            int u = st.top();
            st.pop();
            pa[i] = u;
            pa[u] = i;
        }
    }

    auto f = [](int a, int b) { return max(a, b); };

    SparseTable<int> spa(pa, f);
    // DEBUG_VEC(pa);

    while (q--) {
        int x, y;
        cin >> x >> y;
        x--;
        y--;

        int l = min({x, y, pa[x], pa[y]});
        int r = max({x, y, pa[x], pa[y]});

        if (spa.query(0, l + 1) < r) {
            cout << -1 << endl;
            continue;
        }

        int ok = 0, ng = l + 1;
        while (ok + 1 < ng) {
            int mid = (ok + ng) / 2;
            if (spa.query(mid, l + 1) >= r)
                ok = mid;
            else
                ng = mid;
        }
        cout << ok + 1 << " " << pa[ok] + 1 << endl;
    }
}
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