結果
問題 | No.515 典型LCP |
ユーザー | arktan763 |
提出日時 | 2019-11-16 20:36:31 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 6,873 bytes |
コンパイル時間 | 2,245 ms |
コンパイル使用メモリ | 183,280 KB |
実行使用メモリ | 214,124 KB |
最終ジャッジ日時 | 2024-09-25 05:20:19 |
合計ジャッジ時間 | 23,461 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | TLE | - |
testcase_01 | TLE | - |
testcase_02 | TLE | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | TLE | - |
testcase_06 | TLE | - |
testcase_07 | TLE | - |
testcase_08 | TLE | - |
testcase_09 | TLE | - |
testcase_10 | TLE | - |
testcase_11 | TLE | - |
testcase_12 | TLE | - |
testcase_13 | TLE | - |
testcase_14 | WA | - |
testcase_15 | TLE | - |
testcase_16 | TLE | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define double long double #define FOR(i, a, b) for(ll i = (a); i < (b); ++i) #define FORR(i, a, b) for(ll i = (a); i > (b); --i) #define REP(i, n) for(ll i = 0; i < (n); ++i) #define REPR(i, n) for(ll i = n; i >= 0; i--) #define FOREACH(x, a) for(auto &(x) : (a)) #define VECCIN(x) \ for(auto &youso_ : (x)) cin >> youso_ #define bitcnt(x) __builtin_popcount(x) #define lbit(x) __builtin_ffsll(x) #define rbit(x) __builtin_clzll(x) #define SZ(x) ((ll)(x).size()) #define fi first #define se second #define All(a) (a).begin(), (a).end() #define rAll(a) (a).rbegin(), (a).rend() template <typename T = long long> inline T IN() { T x; cin >> x; return (x); } inline void CIN() {} template <class Head, class... Tail> inline void CIN(Head &&head, Tail &&... tail) { cin >> head; CIN(move(tail)...); } #define CCIN(...) \ char __VA_ARGS__; \ CIN(__VA_ARGS__) #define DCIN(...) \ double __VA_ARGS__; \ CIN(__VA_ARGS__) #define LCIN(...) \ ll __VA_ARGS__; \ CIN(__VA_ARGS__) #define SCIN(...) \ string __VA_ARGS__; \ CIN(__VA_ARGS__) #define Yes(a) cout << (a ? "Yes" : "No") << "\n" #define YES(a) cout << (a ? "YES" : "NO") << "\n" #define Printv(v) \ { \ FOREACH(x, v) { cout << x << " "; } \ cout << "\n"; \ } template <typename T = string> inline void eputs(T s) { cout << s << "\n"; exit(0); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } template <typename T> using PQG = priority_queue<T, vector<T>, greater<T>>; template <typename T> using PQ = priority_queue<T>; typedef long long ll; typedef vector<ll> VL; typedef vector<VL> VVL; typedef pair<ll, ll> PL; typedef vector<PL> VPL; typedef vector<bool> VB; typedef vector<double> VD; typedef vector<string> VS; const int INF = 1e9; const int MOD = 1e9 + 7; // const int MOD = 998244353; const ll LINF = 1e18; // const double PI = atan(1.0) * 4.0; const ll dx[] = {1, 1, 0, -1, -1, -1, 0, 1}; const ll dy[] = {0, 1, 1, 1, 0, -1, -1, -1}; #define PI 3.141592653589793238 // Sparse Table template <class MeetSemiLattice> struct SparseTable { vector<vector<MeetSemiLattice>> dat; vector<int> height; SparseTable() {} SparseTable(const vector<MeetSemiLattice> &vec) { init(vec); } void init(const vector<MeetSemiLattice> &vec) { int n = (int)vec.size(), h = 0; while((1 << h) < n) ++h; dat.assign(h, vector<MeetSemiLattice>(1 << h)); height.assign(n + 1, 0); for(int i = 2; i <= n; i++) height[i] = height[i >> 1] + 1; for(int i = 0; i < n; ++i) dat[0][i] = vec[i]; for(int i = 1; i < h; ++i) for(int j = 0; j < n; ++j) dat[i][j] = min(dat[i - 1][j], dat[i - 1][min(j + (1 << (i - 1)), n - 1)]); } MeetSemiLattice get(int a, int b) { return min(dat[height[b - a]][a], dat[height[b - a]][b - (1 << height[b - a])]); } }; // Suffix Array ( Manber&Myers: O(n (logn)^2) ) struct SuffixArray { string str; vector<int> sa; // sa[i] : the starting index of the i-th smallest suffix (i = 0, 1, ..., n) vector<int> lcp; // lcp[i]: the lcp of sa[i] and sa[i+1] (i = 0, 1, ..., n-1) inline int &operator[](int i) { return sa[i]; } SuffixArray(const string &str_) : str(str_) { buildSA(); calcLCP(); } void init(const string &str_) { str = str_; buildSA(); calcLCP(); } // build SA vector<int> rank_sa, tmp_rank_sa; struct CompareSA { int n, k; const vector<int> &rank; CompareSA(int n, int k, const vector<int> &rank_sa) : n(n), k(k), rank(rank_sa) {} bool operator()(int i, int j) { if(rank[i] != rank[j]) return (rank[i] < rank[j]); else { int rank_ik = (i + k <= n ? rank[i + k] : -1); int rank_jk = (j + k <= n ? rank[j + k] : -1); return (rank_ik < rank_jk); } } }; void buildSA() { int n = (int)str.size(); sa.resize(n + 1), lcp.resize(n + 1), rank_sa.resize(n + 1), tmp_rank_sa.resize(n + 1); for(int i = 0; i < n; ++i) sa[i] = i, rank_sa[i] = (int)str[i]; sa[n] = n, rank_sa[n] = -1; for(int k = 1; k <= n; k *= 2) { CompareSA csa(n, k, rank_sa); sort(sa.begin(), sa.end(), csa); tmp_rank_sa[sa[0]] = 0; for(int i = 1; i <= n; ++i) { tmp_rank_sa[sa[i]] = tmp_rank_sa[sa[i - 1]]; if(csa(sa[i - 1], sa[i])) ++tmp_rank_sa[sa[i]]; } for(int i = 0; i <= n; ++i) rank_sa[i] = tmp_rank_sa[i]; } } vector<int> rsa; SparseTable<int> st; void calcLCP() { int n = (int)str.size(); rsa.resize(n + 1); for(int i = 0; i <= n; ++i) rsa[sa[i]] = i; lcp.resize(n + 1); lcp[0] = 0; int cur = 0; for(int i = 0; i < n; ++i) { int pi = sa[rsa[i] - 1]; if(cur > 0) --cur; for(; pi + cur < n && i + cur < n; ++cur) { if(str[pi + cur] != str[i + cur]) break; } lcp[rsa[i] - 1] = cur; } st.init(lcp); } // calc lcp int getLCP(int a, int b) { // lcp of str.sutstr(a) and str.substr(b) return st.get(min(rsa[a], rsa[b]), max(rsa[a], rsa[b])); } }; signed main() { LCIN(N); cin.tie(0); ios::sync_with_stdio(false); string s = ""; VL len(N), sum(N + 1); REP(i, N) { SCIN(S); len[i] = S.length(); s += S + (i == N - 1 ? "" : "$"); } REP(i, N) { sum[i + 1] += sum[i] + len[i] + 1; } SuffixArray SA(s); LCIN(M, x, d); ll ans = 0; REP(loop, M) { ll i = (x / (N - 1)) + 1, j = (x % (N - 1)) + 1; if(i > j) swap(i, j); else j++; x = (x + d) % (N * (N - 1)); i--, j--; } cout << ans << "\n"; }