結果
問題 | No.1802 Range Score Query for Bracket Sequence |
ユーザー |
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提出日時 | 2022-01-07 21:42:54 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 410 ms / 2,000 ms |
コード長 | 6,905 bytes |
コンパイル時間 | 2,654 ms |
コンパイル使用メモリ | 208,684 KB |
最終ジャッジ日時 | 2025-01-27 09:18:39 |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 24 |
ソースコード
/*#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>class SegmentTree {public:using F = function<T(T &, T &)>;int n;vector<T> dat;T e; // �P�ʌ�F query_func;F update_func;SegmentTree(vector<T> a, F query_func, F update_func, T e) : n(a.size()), query_func(query_func), update_func(update_func), e(e) {if (n == 0) {a.push_back(e);n++;}dat.resize(4 * n);init(0, 0, n, a);}void init(int k, int l, int r, vector<T> &a) {if (r - l == 1) {dat[k] = a[l];} else {int lch = 2 * k + 1, rch = 2 * k + 2;init(lch, l, (l + r) / 2, a);init(rch, (l + r) / 2, r, a);dat[k] = query_func(dat[lch], dat[rch]);}}//k�Ԗڂ̒l��a�ɕύXvoid update(int k, T a, int v, int l, int r) {if (r - l == 1) {dat[v] = update_func(dat[v], a);} else {if (k < (l + r) / 2)update(k, a, 2 * v + 1, l, (l + r) / 2);else {update(k, a, 2 * v + 2, (l + r) / 2, r);}dat[v] = query_func(dat[v * 2 + 1], dat[v * 2 + 2]);}}//[a,b)�̍ŏ��l�����߂�//���̂ق��̈����͌v�Z�̊ȒP�̂��߂̈���//k�͐ړ_�̔ԍ�,l,r�͂��̐ړ_��[l,r)�ɑΉ����Ă��邱�Ƃ�\��//�]���āA�O�����query(a,b,0,0,n)�Ƃ��Ă��T query(int a, int b, int k, int l, int r) {if (r <= a || b <= l) {return e;}if (a <= l && r <= b) {return dat[k];} else {T ul = query(a, b, k * 2 + 1, l, (l + r) / 2);T ur = query(a, b, k * 2 + 2, (l + r) / 2, r);return query_func(ul, ur);}}// ���������ĉE��T��int find(int a, int b, int k, int l, int r, int x) {// ������if (dat[k] < x || r <= a || b <= l) return -1;if (l + 1 == r) {// ������if (dat[k] >= x)return l;elsereturn -1;}int rv = find(a, b, 2 * k + 2, (l + r) / 2, r, x);if (rv != -1) return rv;return find(a, b, 2 * k + 1, l, (l + r) / 2, x);}};int f(int a, int b) {return a + b;}int g(int a, int b) {return b;}signed main() {int n, q;cin >> n >> q;string s;cin >> s;vi a(n - 1);rep(i, n - 1) {if (s[i] == '(' && s[i + 1] == ')') a[i] = 1;}SegmentTree<int> seg(a, f, g, 0);while (q--) {int t;cin >> t;if (t == 1) {int i;cin >> i;i--;if (s[i] == '(')s[i] = ')';elses[i] = '(';if (i != 0) {int val = 0;if (s[i - 1] == '(' && s[i] == ')') val = 1;seg.update(i - 1, val, 0, 0, seg.n);}if (i != n - 1) {int val = 0;if (s[i] == '(' && s[i + 1] == ')') val = 1;seg.update(i, val, 0, 0, seg.n);}} else {int l, r;cin >> l >> r;l--;cout << seg.query(l, r - 1, 0, 0, seg.n) << endl;}}}