結果
問題 | No.515 典型LCP |
ユーザー | cutmdo |
提出日時 | 2019-08-20 22:30:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,910 bytes |
コンパイル時間 | 1,837 ms |
コンパイル使用メモリ | 137,480 KB |
実行使用メモリ | 60,160 KB |
最終ジャッジ日時 | 2024-10-06 16:12:19 |
合計ジャッジ時間 | 9,456 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
ソースコード
#include <iostream> #include <iomanip> #include <string> #include <cmath> #include <algorithm> #include <vector> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <list> #include <stack> #include <queue> #include <bitset> #include <numeric> #include <cassert> #ifdef DEBUG #include "./Lib/debug.hpp" #else #define dump(...) template<class T>inline auto d_val(T a, T b) { return a; } #endif /* (=^o^=) */ #define int ll /* macro */ #define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i) #define RFOR(i, b, e) for(ll i = (ll)(e-1); i >= (ll)(b); --i) #define REP(i, n) FOR(i, 0, n) #define RREP(i, n) RFOR(i, 0, n) #define REPC(x,c) for(const auto& x:(c)) #define REPI2(it,b,e) for(auto it = (b); it != (e); ++it) #define REPI(it,c) REPI2(it, (c).begin(), (c).end()) #define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend()) #define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);) #define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end()) #define ALL(x) (x).begin(),(x).end() #define cauto const auto& /* macro func */ #define SORT(x) do{sort(ALL(x));}while(false) #define RSORT(x) do{sort((x).rbegin(),(x).rend());}while(false) #define UNIQUE(v) do{v.erase( unique(v.begin(), v.end()), v.end() );}while(false) #define MAX(x,y) do{x = std::max(x,y);}while(false) #define MIN(x,y) do{x = std::min(x,y);}while(false) #define BR do{cout<<"\n";}while(false) /* type define */ using ll = long long; using PAIR = std::pair<ll, ll>; using VS = std::vector<std::string>; using VL = std::vector<long long>; using VVL = std::vector<VL>; using VVVL = std::vector<VVL>; using VD = std::vector<double>; template<class T> using V = std::vector<T>; /* using std */ using std::cout; constexpr char endl = '\n'; using std::cin; using std::sort; using std::pair; using std::string; using std::stack; using std::queue; using std::vector; using std::list; using std::map; using std::unordered_map; using std::multimap; using std::unordered_multimap; using std::set; using std::unordered_set; using std::unordered_multiset; using std::multiset; using std::bitset; using std::priority_queue; /* constant value */ constexpr ll MOD = 1000000007; //constexpr ll MOD = 998244353; /* Initial processing */ struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing; /* Remove the source of the bug */ signed pow(signed, signed) { assert(false); return -1; } /* define hash */ namespace std { template <> class hash<std::pair<ll, ll>> { public: size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } }; } /* input */ template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for (T& x : vec) is >> x; return is; } //============================================================================================= /** * セグメント木を構成する * 2methodの変更により調整 */ template<class T> class SegmentTree { private: const T initialValue = 1e9; const T ignoreValue = 1e9; const ll m_size; vector<T> m_node; ll calcSize(ll n) { ll size = 1; while (size < n) { size *= 2; } return size; } /** * 値の更新(更新:=, 加算:+=, etc...) */ void update(ll k, T x) { m_node[k] = x; } /** * 値の併合 */ T merge(T xl, T xr) { return std::min(xl, xr); } public: SegmentTree(ll n) : m_size(calcSize(n)), m_node(m_size * 2 - 1, initialValue) {} void add(ll itr, T val) { ll i = itr + m_size - 1; update(i, val); while (i > 0) { i = (i - 1) / 2; m_node[i] = merge(m_node[i * 2 + 1], m_node[i * 2 + 2]); } /** cout << "-- tree -- " << endl; REP(i, 2 * m_size - 1) { cout << m_node[i] << endl; } /*//**/ } T query(ll a, ll b) { return query(a, b + 1, 0, 0, m_size); } T query(ll a, ll b, ll k, ll l, ll r) { if (r <= a || b <= l) { return ignoreValue; } if (a <= l && r <= b) { return m_node[k]; } return merge( query(a, b, 2 * k + 1, l, (l + r) / 2), query(a, b, 2 * k + 2, (l + r) / 2, r) ); } }; signed main() { ll n, m, x, d; cin >> n; VS v(n); cin >> v >> m >> x >> d; /* rand */ VL i(m), j(m); for (int k = 0; k < m; ++k) { i[k] = (x / (n - 1)) + 1; j[k] = (x % (n - 1)) + 1; if (i[k] > j[k]) { std::swap(i[k], j[k]); } else { j[k] = j[k] + 1; } x = (x + d) % (n * (n - 1)); } V<pair<string, ll>> vi; vi.reserve(n); REP(i, n) { vi.emplace_back(v[i], i); } SORT(vi); VL at(n); REP(i, n) { at[vi[i].second] = i; } auto lcp = [](const string& s1, const string& s2) { ll ans = 0; REP(i, std::min(s1.size(), s2.size())) { if (s1[i] != s2[i]) { break; } ++ans; } return ans; }; auto tree = SegmentTree<ll>(n); REP(i, n - 1) { tree.add(i, lcp(vi[i].first, vi[i + 1].first)); } ll ans = 0; REP(k, m) { ans += tree.query(at[i[k] - 1], at[j[k] - 1] - 1); } cout << ans << endl; }