結果
問題 | No.2626 Similar But Different Name |
ユーザー | kaikey |
提出日時 | 2024-02-09 23:06:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 172 ms / 3,000 ms |
コード長 | 6,317 bytes |
コンパイル時間 | 4,532 ms |
コンパイル使用メモリ | 277,116 KB |
実行使用メモリ | 20,228 KB |
最終ジャッジ日時 | 2024-09-28 16:19:49 |
合計ジャッジ時間 | 8,809 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 3 ms
6,820 KB |
testcase_11 | AC | 3 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 3 ms
6,820 KB |
testcase_14 | AC | 3 ms
6,820 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 3 ms
6,820 KB |
testcase_17 | AC | 3 ms
6,816 KB |
testcase_18 | AC | 164 ms
20,172 KB |
testcase_19 | AC | 41 ms
15,644 KB |
testcase_20 | AC | 32 ms
15,556 KB |
testcase_21 | AC | 32 ms
15,676 KB |
testcase_22 | AC | 172 ms
20,152 KB |
testcase_23 | AC | 171 ms
20,156 KB |
testcase_24 | AC | 170 ms
20,092 KB |
testcase_25 | AC | 170 ms
20,212 KB |
testcase_26 | AC | 169 ms
20,044 KB |
testcase_27 | AC | 169 ms
20,228 KB |
testcase_28 | AC | 169 ms
20,156 KB |
testcase_29 | AC | 167 ms
20,088 KB |
testcase_30 | AC | 166 ms
20,108 KB |
testcase_31 | AC | 167 ms
20,140 KB |
testcase_32 | AC | 170 ms
20,152 KB |
testcase_33 | AC | 168 ms
20,164 KB |
testcase_34 | AC | 168 ms
20,120 KB |
testcase_35 | AC | 168 ms
20,140 KB |
testcase_36 | AC | 164 ms
20,164 KB |
testcase_37 | AC | 167 ms
20,176 KB |
ソースコード
#include "bits/stdc++.h" #include <random> #include <chrono> #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define SZ(x) ((lint)(x).size()) #define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i) #define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) #define endk '\n' using namespace std; typedef unsigned long long _ulong; typedef long long lint; typedef long double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld; struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(30); }; } fast_ios_; template<class T> auto add = [](T a, T b) -> T { return a + b; }; template<class T> auto mul = [](T a, T b) -> T { return a * b; }; template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); }; template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); }; template<class T> using V = vector<T>; using Vl = V<lint>; using VVl = V<Vl>; using VVVl = V<V<Vl>>; template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) { for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : ""); return os; } template< typename T >istream& operator>>(istream& is, vector< T >& v) { for (T& in : v) is >> in; return is; } template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } template <class T> T div_floor(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? a / b : (a + 1) / b - 1; } template <class T> T div_ceil(T a, T b) { if (b < 0) a *= -1, b *= -1; return a > 0 ? (a - 1) / b + 1 : a / b; } template <class F> struct rec { F f; rec(F&& f_) : f(std::forward<F>(f_)) {} template <class... Args> auto operator()(Args &&... args) const { return f(*this, std::forward<Args>(args)...); } }; lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); } lint digit(lint a) { return (lint)log10(a); } lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); } lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); } bool check_overflow(lint a, lint b, lint limit) { if (b == 0) return false; return a > limit / b; } // a * b > c => true void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); } const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 2e18; lint dx[8] = { 0, 1, 0, -1, 1, -1, 1, -1 }, dy[8] = { 1, 0, -1, 0, -1, -1, 1, 1 }; bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; } struct Edge { lint from, to; lint cost; Edge() { } Edge(lint u, lint v, lint c) { cost = c; from = u; to = v; } bool operator<(const Edge& e) const { return cost < e.cost; } }; struct WeightedEdge { lint to; lint cost; WeightedEdge(lint v, lint c) { to = v; cost = c; } bool operator<(const WeightedEdge& e) const { return cost < e.cost; } }; using WeightedGraph = V<V<WeightedEdge>>; typedef pair<lint, plint> tlint; typedef pair<ld, ld> pld; typedef pair<plint, plint> qlint; typedef pair<Edge, lint> pEd; typedef pair<plint, V<plint>> vVl; typedef pair<string, string> pstr; typedef pair<ld, lint> pint; typedef pair<lint, set<pint>> pset; struct RollingHash { const _ulong MASK30 = (1ULL << 30) - 1; const _ulong MASK31 = (1ULL << 31) - 1; const _ulong MOD = (1ULL << 61) - 1; const _ulong MASK61 = MOD; vector<_ulong> hashed, power; RollingHash(const string& s, _ulong base) { int sz = SZ(s); hashed.assign(sz + 1, 0); power.assign(sz + 1, 0); power[0] = 1; for (int i = 0; i < sz; i++) { power[i + 1] = mul(power[i], base); hashed[i + 1] = mul(hashed[i], base) + s[i]; if (hashed[i + 1] >= MOD) hashed[i + 1] -= MOD; } } //乱数生成、main関数にコピペする void generate_base() { _ulong base; { //乱数生成 random_device seed_gen; mt19937 engine(seed_gen()); uniform_real_distribution<> dist1(129, INT_MAX); base = dist1(engine); } } _ulong get(int l, int r) const { _ulong ret = hashed[r] + MOD - mul(hashed[l], power[r - l]); if (ret >= MOD) ret -= MOD; return ret; } //a*b mod 2^61-1を返す関数 inline _ulong mul(_ulong a, _ulong b) const { _ulong u_a = a >> 31;//aの31bit以降 _ulong d_a = a & MASK31;//aの31bit未満 _ulong u_b = b >> 31; _ulong d_b = b & MASK31; _ulong mid = d_a * u_b + u_a * d_b; _ulong u_mid = mid >> 30; _ulong d_mid = mid & MASK30; return CalcMod(u_a * u_b * 2 + u_mid + (d_mid << 31) + d_a * d_b); } //mod 2^61-1を返す関数 inline _ulong CalcMod(_ulong x) const { _ulong u_x = x >> 61; _ulong d_x = x & MASK61; _ulong res = u_x + d_x; if (res >= MOD) res -= MOD; return res; } }; #include<atcoder/all> using namespace atcoder; using mint = modint998244353; void solve() { lint N, M, K; cin >> N >> M >> K; string s, t; cin >> s >> t; reverse(ALL(t)); plint p = { 'a', 'A' }; lint ans = 0; Vl sum(N - M + 1); REP(_, 2) { V<mint> arr(N), _arr(M); REP(i, N) if (0 <= s[i] - p.first && s[i] - p.first <= 26) arr[i] = 1; REP(i, M) if (0 <= t[i] - p.second && t[i] - p.second <= 26) _arr[i] = 1; auto v = convolution(arr, _arr); REP(i, N - M + 1) { sum[i] += v[i + M - 1].val(); } swap(p.first, p.second); } _ulong base; { //乱数生成 random_device seed_gen; mt19937 engine(seed_gen()); uniform_real_distribution<> dist1(129, INT_MAX); base = dist1(engine); } REP(i, N) if ('A' <= s[i] && s[i] <= 'Z') s[i] -= 'A', s[i] += 'a'; REP(i, M) if ('A' <= t[i] && t[i] <= 'Z') t[i] -= 'A', t[i] += 'a'; reverse(ALL(t)); RollingHash rh1(s, base), rh2(t, base); REP(i, N - M + 1) { if (1 <= sum[i] && sum[i] <= K && rh1.get(i, i + M) == rh2.get(0, M)) ans++; } cout << ans << endk; } int main() { lint T = 1; //cin >> T; while (T--) solve(); }