結果
問題 | No.1778 括弧列クエリ / Bracketed Sequence Query |
ユーザー | eggkid6 |
提出日時 | 2022-01-21 22:36:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,406 bytes |
コンパイル時間 | 1,688 ms |
コンパイル使用メモリ | 177,100 KB |
実行使用メモリ | 28,544 KB |
最終ジャッジ日時 | 2024-11-26 01:35:23 |
合計ジャッジ時間 | 10,347 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using V = vector<ll>; using VV = vector<V>; using VVV = vector<VV>; using VS = vector<string>; using VB = vector<bool>; using VVB = vector<VB>; using P = pair<ll,ll>; using VP = vector<P>; using M = map<ll,ll>; using Q = queue<ll>; using PQ = priority_queue<ll>; using PQG = priority_queue<ll,V,greater<ll>>; using S = set<ll>; const ll MOD = 1000000007; const ll mod = 998244353; const ll INF = 1LL << 60; #define rep(i,n) for(ll i = 0; i < n; i++) #define rep2(i,s,n) for(ll i = s; i < n; i++) #define per(i,n) for(ll i = n; i >= 0; i--) #define per2(i,s,n) for(ll i = n; i >= s; i--) #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() #define fi first #define se second #define pb push_back #define pf push_front #define ppb pop_back #define ppf pop_front #define eb emplace_back #define lb lower_bound #define ub upper_bound template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;} template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;} template<class T>void Vin(vector<T>&a){rep(i,(ll)a.size())cin>>a[i];} template<class T>void VVin(vector<vector<T>>&a){rep(i,(ll)a.size())rep(j,(ll)a[i].size())cin>>a[i][j];} template<class T>void Vout(const vector<T>&a){rep(i,(int)a.size())cout<<a[i]<<endl;} ll power(ll a,ll b,const ll&M){a%=M;ll res=1;while(b>0){if(b&1)res=res*a%M;a=a*a%M;b>>=1;}return res;} const ll H[4] = {0,1,0,-1}, W[4] = {1,0,-1,0}; struct LCA { VV par; V dis; LCA() {} LCA(const VV &G, ll root = 0) { ll v = G.size(), k = 0; while(v) { v >>= 1; k++; par.assign(k,V(v,-1)); dfs(G, root, -1, 0); rep(i,k-1) rep(j,v) { if(par[i][j] < 0) par[i+1][j] = -1; else par[i+1][j] = par[i][par[i][j]]; } } } void dfs(const VV &G, ll v, ll p, ll d) { par[0][v] = p; dis[v] = d; for(ll nv : G[v]) if(nv != p) dfs(G, nv, v, d+1); } ll lca(ll u, ll v) { if(dis[u] < dis[v]) swap(u,v); ll k = par.size(); rep(i,k) if(dis[u]-dis[v] & 1<<i) u = par[i][u]; if(u == v) return u; per(i,k) if(par[i][u] != par[i][v]) { u = par[i][u]; v = par[i][v]; } return par[0][u]; } }; struct UnionFind { vector<long long> par, rank; UnionFind() {} UnionFind(long long n) : par(n), rank(n) { for(long long i = 0; i < n; i++) par[i] = i, rank[i] = 0; } long long root(long long v) { return par[v] == v ? v : par[v] = root(par[v]); } bool unite(long long sv, long long tv) { sv = root(sv); tv = root(tv); if(sv == tv) return 0; if(rank[sv] > rank[tv]) swap(sv,tv); par[sv] = tv; if(rank[sv] == rank[tv]) rank[tv]++; return 1; } bool same(long long sv, long long tv) { return root(sv) == root(tv); } }; void f(VV &G, string &s, ll &cnt, ll &v, UnionFind &uf) { ll now = v; while(s[cnt++] == '(') { uf.unite(now,++v); G[now].pb(v); G[v].pb(now); f(G, s, cnt, v, uf); } } int main() { ll n, q; string s; cin >> n >> q >> s; UnionFind uf(n/2); VV G(n/2); ll cnt = 0, v = 0; while(cnt < n) f(G, s, ++cnt, v, uf); LCA l(G); }