結果
問題 | No.2030 Googol Strings |
ユーザー | first_vil |
提出日時 | 2022-08-05 21:58:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,094 bytes |
コンパイル時間 | 2,358 ms |
コンパイル使用メモリ | 211,592 KB |
実行使用メモリ | 100,872 KB |
最終ジャッジ日時 | 2024-09-15 18:30:22 |
合計ジャッジ時間 | 5,202 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge2 |
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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 | AC | 80 ms
6,812 KB |
testcase_01 | AC | 85 ms
6,816 KB |
testcase_02 | AC | 79 ms
17,824 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | WA | - |
testcase_05 | AC | 64 ms
6,944 KB |
testcase_06 | AC | 139 ms
84,628 KB |
testcase_07 | AC | 167 ms
100,784 KB |
testcase_08 | AC | 172 ms
100,872 KB |
testcase_09 | AC | 94 ms
6,940 KB |
testcase_10 | AC | 96 ms
6,944 KB |
testcase_11 | AC | 92 ms
6,940 KB |
testcase_12 | AC | 91 ms
6,940 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 189 ms
13,352 KB |
ソースコード
// clang-format off #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; template<class T> using V = vector<T>; using VI = V<int>; using VL = V<ll>; using VS = V<string>; template<class T> using PQ = priority_queue<T, V<T>, greater<T>>; using G = V<VI>; template<class T> using WG = V<V<pair<int, T>>>; #define overload4(_1,_2,_3,_4,name,...) name #define rep1(n) for(ll i=0;i<(n);++i) #define rep2(i,n) for(ll i=0;i<(n);++i) #define rep3(i,a,b) for(ll i=(a);i<(b);++i) #define rep4(i,a,b,c) for(ll i=(a);i<(b);i+=(c)) #define rep(...) overload4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__) #define rrep1(n) for(ll i=n;i>0;--i) #define rrep2(i,n) for(ll i=n;i>0;--i) #define rrep3(i,a,b) for(ll i=b;i>a;--i) #define rrep4(i,a,b,c) for(ll i=(a)+((b)-(a)-1)/(c)*(c);i>=(a);i-=c) #define rrep(...) overload4(__VA_ARGS__,rrep4,rrep3,rrep2,rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define inside(h,w,y,x) (unsigned(y)<h&&unsigned(x)<w) #ifdef _DEBUG #define line cout << "-----------------------------\n" #define debug(...) print(__VA_ARGS__) #else #define line #define debug #endif constexpr ll INF = 1000000000; constexpr ll LLINF = 1LL << 61; constexpr ll mod = 1000000007; constexpr ll MOD = 998244353; constexpr ld eps = 1e-10; constexpr int dy[]{ -1,0,1,0 }, dx[]{ 0,1,0,-1 }; template<class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; } template<class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; } inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } template<class T> inline istream& operator>>(istream& is, V<T>& v) { for (auto& a : v)is >> a; return is; } template<class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template<class T> inline V<T> vec(size_t a) { return V<T>(a); } template<class T> inline V<T> defvec(T def, size_t a) { return V<T>(a, def); } template<class T, class... Ts> inline auto vec(size_t a, Ts... ts) { return V<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); } template<class T, class... Ts> inline auto defvec(T def, size_t a, Ts... ts) { return V<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); } template<class T> inline void print(const T& a) { cout << a << "\n"; } template<class T, class... Ts> inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); } template<class T> inline void print(const V<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); } template<class T> inline void print(const V<V<T>>& v) { for (auto& a : v)print(a); } template<class T> inline constexpr const T cum(const V<T>& a, int l, int r) { return 0 <= l && l <= r && r < a.size() ? a[r] - (l == 0 ? 0 : a[l - 1]) : 0; }//[l,r] template<class T> inline constexpr const auto min(const T& v) { return *min_element(all(v)); } template<class T> inline constexpr const auto max(const T& v) { return *max_element(all(v)); } template<class T> inline V<T>& operator++(V<T>& v) { for (T& a : v)++a; return v; } template<class T> inline V<T>& operator--(V<T>& v) { for (T& a : v)--a; return v; } // clang-format on class RollingHash { ll base1 = 1007, base2 = 2009; ll mod1 = 1000000007, mod2 = 998244353; VL hash1, hash2, power1, power2; public: RollingHash(const string& s) { int n = s.size(); hash1.resize(n + 1); hash2.resize(n + 1); power1.resize(n + 1, 1); power2.resize(n + 1, 1); rep(i, n) { hash1[i + 1] = (hash1[i] * base1 + s[i]) % mod1; hash2[i + 1] = (hash2[i] * base2 + s[i]) % mod2; power1[i + 1] = (power1[i] * base1) % mod1; power2[i + 1] = (power2[i] * base2) % mod2; } } inline pair<ll, ll> hash(int l, int r) const { ll res1 = hash1[r] - hash1[l] * power1[r - l] % mod1; if (res1 < 0) res1 += mod1; ll res2 = hash2[r] - hash2[l] * power2[r - l] % mod2; if (res2 < 0) res2 += mod2; return {res1, res2}; } }; int main() { init(); int t; cin >> t; rep(_, t) { string x, y; cin >> x >> y; string ansX = "X", ansY = "Y"; if (x.size() > y.size()) { swap(ansX, ansY); swap(x, y); } RollingHash X(x), Y(y + y); int cnt = 0; V<bool> seen(y.size()); bool f = true; int i = 0; while (true) { seen[i] = true; if (X.hash(0, x.size()) == Y.hash(i, i + x.size())) { ++cnt; i = (i + (int)x.size()) % int(y.size()); if (seen[i]) { break; } } else { f = false; break; } } if (f) print(x.size() > y.size() ? ansX : ansY); else print(x > y.substr(i, i + x.size()) ? ansX : ansY); } return 0; }