結果
問題 | No.1778 括弧列クエリ / Bracketed Sequence Query |
ユーザー | null |
提出日時 | 2020-10-04 05:35:09 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 271 ms / 2,000 ms |
コード長 | 7,494 bytes |
コンパイル時間 | 4,451 ms |
コンパイル使用メモリ | 154,132 KB |
実行使用メモリ | 65,144 KB |
最終ジャッジ日時 | 2024-07-03 20:56:40 |
合計ジャッジ時間 | 11,244 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
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 | 54 ms
5,248 KB |
testcase_01 | AC | 59 ms
5,248 KB |
testcase_02 | AC | 59 ms
5,376 KB |
testcase_03 | AC | 50 ms
5,376 KB |
testcase_04 | AC | 58 ms
5,376 KB |
testcase_05 | AC | 84 ms
23,452 KB |
testcase_06 | AC | 37 ms
7,808 KB |
testcase_07 | AC | 22 ms
13,696 KB |
testcase_08 | AC | 208 ms
53,056 KB |
testcase_09 | AC | 41 ms
20,300 KB |
testcase_10 | AC | 125 ms
41,016 KB |
testcase_11 | AC | 85 ms
29,000 KB |
testcase_12 | AC | 93 ms
23,688 KB |
testcase_13 | AC | 211 ms
51,808 KB |
testcase_14 | AC | 110 ms
36,856 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 219 ms
53,340 KB |
testcase_17 | AC | 214 ms
53,384 KB |
testcase_18 | AC | 216 ms
53,308 KB |
testcase_19 | AC | 220 ms
53,332 KB |
testcase_20 | AC | 212 ms
53,356 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 175 ms
43,980 KB |
testcase_24 | AC | 200 ms
54,640 KB |
testcase_25 | AC | 229 ms
54,760 KB |
testcase_26 | AC | 271 ms
65,144 KB |
testcase_27 | AC | 165 ms
65,132 KB |
ソースコード
/* このコード、と~おれ! Be accepted! ∧_∧ (。・ω・。)つ━☆・*。 ⊂ ノ ・゜+. しーJ °。+ *´¨) .· ´¸.·*´¨) ¸.·*¨) (¸.·´ (¸.·'* ☆ */ #include <cstdio> #include <algorithm> #include <string> #include <cmath> #include <cstring> #include <vector> #include <numeric> #include <iostream> #include <random> #include <map> #include <unordered_map> #include <queue> #include <regex> #include <functional> #include <complex> #include <list> #include <cassert> #include <iomanip> #include <set> #include <stack> #include <bitset> ////多倍長整数, cpp_intで宣言 //#include <boost/multiprecision/cpp_int.hpp> //using namespace boost::multiprecision; // //#pragma GCC target ("avx2") //#pragma GCC optimization ("O3") //#pragma GCC optimization ("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define repeat(i, n, m) for(int i = n; i < (m); ++i) #define rep(i, n) for(int i = 0; i < (n); ++i) #define printynl(a) printf(a ? "yes\n" : "no\n") #define printyn(a) printf(a ? "Yes\n" : "No\n") #define printYN(a) printf(a ? "YES\n" : "NO\n") #define printim(a) printf(a ? "possible\n" : "imposible\n") #define printdb(a) printf("%.50lf\n", a) //少数出力 #define printLdb(a) printf("%.50Lf\n", a) //少数出力 #define printdbd(a) printf("%.16lf\n", a) //少数出力(桁少なめ) #define prints(s) printf("%s\n", s.c_str()) //string出力 #define all(x) (x).begin(), (x).end() #define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI) #define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L) #define Please return #define AC 0 #define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d)) /*(a, b) から (c, d) のマンハッタン距離 */ #define inf numeric_limits<double>::infinity(); #define linf numeric_limits<long double>::infinity() using ll = long long; using ull = unsigned long long; constexpr int INF = 1073741823; constexpr int MINF = -1073741823; constexpr ll LINF = ll(4661686018427387903); constexpr ll MOD = 1e9 + 7; constexpr ll mod = 998244353; constexpr long double eps = 1e-6; const long double PI = acosl(-1.0L); using namespace std; void scans(string& str) { char c; str = ""; scanf("%c", &c); if (c == '\n')scanf("%c", &c); while (c != '\n' && c != -1 && c != ' ') { str += c; scanf("%c", &c); } } void scanc(char& str) { char c; scanf("%c", &c); if (c == -1)return; while (c == '\n') { scanf("%c", &c); } str = c; } double acot(double x) { return PI / 2 - atan(x); } ll LSB(ll n) { return (n & (-n)); } template<typename T> inline T chmin(T& a, const T& b) { if (a > b)a = b; return a; } template<typename T> inline T chmax(T& a, const T& b) { if (a < b)a = b; return a; } ////atcoder library //#include <atcoder/all> //using namespace atcoder; /*-----------------------------------------ここからコード-----------------------------------------*/ /* * @title template(graph) * @docs kyopro/docs/graph_template.md */ template<typename T> struct edge { T cost; int from, to; edge(int from, int to) : from(from), to(to), cost(T(1)) {} edge(int from, int to, T cost) : from(from), to(to), cost(cost) {} }; template<typename T = int> struct graph { int n; bool directed, weighted; vector<vector<edge<T>>> g; graph(int n, bool directed, bool weighted) : g(n), n(n), directed(directed), weighted(weighted) {} void add_edge(int from, int to, T cost = T(1)) { g[from].emplace_back(from, to, cost); if (not directed) { g[to].emplace_back(to, from, cost); } } vector<edge<T>>& operator[](const int& idx) { return g[idx]; } void read(int e, bool one_indexed) { int a, b, c = 1; while (e--) { scanf("%d%d", &a, &b); if (weighted) { scanf("%d", &c); } if (one_indexed)--a, --b; add_edge(a, b, c); } } void read(int e, bool one_indexed, const string& format) { int a, b; T c = T(1); while (e--) { scanf("%d%d", &a, &b); if (weighted) { scanf(format.c_str(), &c); } if (one_indexed)--a, --b; add_edge(a, b, c); } } }; /* * @title sparse-table * @docs kyopro/docs/sparsetable.md */ //RMQ <O(n log n), O(1)> template<typename T> struct sparsetable { vector<vector<T>> table; vector<int> logtable; vector<int> a; int n; // 渡す配列, サイズ sparsetable(const vector<T> a, int siz) : n(siz), a(a) { logtable.assign(n + 1, 0); for (int i = 2; i <= n; ++i)logtable[i] = logtable[i >> 1] + 1; table.assign(n, vector<T>(logtable[n] + 1, 0)); } //リストバージョン sparsetable(initializer_list<T> init) { a = init[0]; n = init[1]; logtable.assign(n + 1, 0); for (int i = 2; i <= n; ++i)logtable[i] = logtable[i >> 1] + 1; table.assign(n, vector<T>(logtable[n] + 1, 0)); } //配列と大きさを渡して初期化 void init(const vector<T> aa, int siz) { a = aa; n = siz; logtable.assign(n + 1, 0); for (int i = 2; i <= n; ++i)logtable[i] = logtable[i >> 1] + 1; table.assign(n, vector<T>(logtable[n] + 1, 0)); } //構築 O(n log n) void build() { for (int k = 0; (1 << k) <= n; ++k) { for (int i = 0; i + (1 << k) <= n; ++i) { if (k) table[i][k] = (a[table[i][k - 1]] < a[table[i + (1 << (k - 1))][k - 1]] ? table[i][k - 1] : table[i + (1 << (k - 1))][k - 1]); else table[i][k] = i; } } } //[l, r) の RMQ O(1) int query(int l, int r) { int k = logtable[r - l]; return (a[table[l][k]] < a[table[r - (1 << k)][k]] ? table[l][k] : table[r - (1 << k)][k]); } }; /* * @title lowest-common-ancestor * @docs kyopro/docs/LCA.md */ template<typename T> void eulertour(const int& now, const int& bef, int& cnt, graph<T>& graph, const int& d, vector<int>& vs, vector<int>& depth, vector<int>& id) { depth.emplace_back(d); vs.emplace_back(now); id[now] = min(id[now], cnt); for (const auto& aa : graph[now]) { if (aa.to != bef) { ++cnt; eulertour(aa.to, now, cnt, graph, d + 1, vs, depth, id); ++cnt; depth.emplace_back(d); vs.emplace_back(now); } } } template<typename T = int> struct LCA { vector<int> vs, depth, id, tmp = { 0 }; graph<T> tree; sparsetable<int> table{ tmp, 0 }; int n, root; //木, 大きさ, 根 LCA(graph<T> tree, int n, int root) : tree(tree), n(n), root(root) { id.assign(n, INF); int cnt = 0, d = 0; eulertour(root, -1, cnt, tree, d, vs, depth, id); table.init(depth, depth.size()); table.build(); } //LCA である頂点を返す int query(int l, int r) { if (id[l] > id[r])swap(l, r); return vs[table.query(id[l], id[r] + 1)]; } int depthq(int n) { return depth[id[n]]; } }; int main() { int n, q; scanf("%d%d", &n, &q); string s; scans(s); s = "(" + s + ")"; n += 2; graph g(n / 2, false, false); vector<vector<int>> vert(n / 2); vector<int> v(n); vert[0].push_back(0); v[0] = v[n - 1] = 0; int idx = 1, to = INF, cur = 0; for(int i = 1; i < n - 1; ++i) { if (s[i] == '(') { g.add_edge(cur, idx); cur = idx; vert[idx].push_back(i); v[i] = idx; ++idx; } else { v[i] = cur; vert[cur].push_back(i); to = INF; for (auto edge : g[cur])if (edge.to < to)to = edge.to; cur = to; } } LCA lca(g, n, 0); while (q--) { int x, y; scanf("%d%d", &x, &y); int ret = lca.query(v[x], v[y]); if (v[x] == v[y])printf("%d %d\n", vert[v[x]][0], vert[v[x]][1]); else if (vert[ret][0] == 0)puts("-1"); else printf("%d %d\n", vert[ret][0], vert[ret][1]); } Please AC; }