結果
問題 | No.2626 Similar But Different Name |
ユーザー | shobonvip |
提出日時 | 2024-02-09 22:07:45 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 178 ms / 3,000 ms |
コード長 | 4,098 bytes |
コンパイル時間 | 4,007 ms |
コンパイル使用メモリ | 274,108 KB |
実行使用メモリ | 37,024 KB |
最終ジャッジ日時 | 2024-09-28 15:22:20 |
合計ジャッジ時間 | 8,511 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | AC | 2 ms
6,820 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
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 3 ms
6,820 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 3 ms
6,816 KB |
testcase_11 | AC | 3 ms
6,820 KB |
testcase_12 | AC | 3 ms
6,820 KB |
testcase_13 | AC | 3 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 3 ms
6,820 KB |
testcase_16 | AC | 3 ms
6,816 KB |
testcase_17 | AC | 4 ms
6,820 KB |
testcase_18 | AC | 178 ms
36,860 KB |
testcase_19 | AC | 104 ms
24,616 KB |
testcase_20 | AC | 97 ms
24,536 KB |
testcase_21 | AC | 97 ms
24,544 KB |
testcase_22 | AC | 163 ms
30,416 KB |
testcase_23 | AC | 166 ms
30,540 KB |
testcase_24 | AC | 161 ms
30,008 KB |
testcase_25 | AC | 163 ms
30,208 KB |
testcase_26 | AC | 165 ms
30,516 KB |
testcase_27 | AC | 164 ms
30,820 KB |
testcase_28 | AC | 165 ms
30,228 KB |
testcase_29 | AC | 163 ms
29,924 KB |
testcase_30 | AC | 169 ms
30,028 KB |
testcase_31 | AC | 164 ms
30,456 KB |
testcase_32 | AC | 162 ms
30,600 KB |
testcase_33 | AC | 164 ms
30,632 KB |
testcase_34 | AC | 163 ms
29,760 KB |
testcase_35 | AC | 164 ms
30,436 KB |
testcase_36 | AC | 166 ms
29,860 KB |
testcase_37 | AC | 170 ms
37,024 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; //* ATCODER #include<atcoder/all> using namespace atcoder; typedef modint998244353 mint; //*/ /* BOOST MULTIPRECISION #include<boost/multiprecision/cpp_int.hpp> using namespace boost::multiprecision; //*/ typedef long long ll; #define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++) #define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--) template <typename T> bool chmin(T &a, const T &b) { if (a <= b) return false; a = b; return true; } template <typename T> bool chmax(T &a, const T &b) { if (a >= b) return false; a = b; return true; } template <typename T> T max(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]); return ret; } template <typename T> T min(vector<T> &a){ assert(!a.empty()); T ret = a[0]; for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]); return ret; } template <typename T> T sum(vector<T> &a){ T ret = 0; for (int i=0; i<(int)a.size(); i++) ret += a[i]; return ret; } struct RollingHash { using ull = unsigned long long; RollingHash(const string& s = "") { build(s); } ull get(int l, int r) { assert(0 <= l && l <= r && r <= n); return cal(inner_hash[r] + buf - mul(inner_hash[l], pow_base[r - l])); } static ull get_hash(const string& s) { int len = s.size(); set_hash(); extend_pow_base(len); ull res = 0; rep(i, 0, len) res = cal(mul(res, BASE) + s[i]); return res; } static ull concat(const ull& hash1, const ull& hash2, const int& len2) { return cal(cal(mul(hash1, pow_base[len2])) + hash2); } private: static constexpr ull MASK30 = (1ULL << 30) - 1; static constexpr ull MASK31 = (1ULL << 31) - 1; static constexpr ull MASK61 = (1ULL << 61) - 1; static constexpr ull MOD = (1ULL << 61) - 1; static constexpr ull buf = MOD * 4; static ull BASE; static vector<ull> pow_base; static ull mul(ull a, ull b) { ull au = a >> 31, ad = a & MASK31; ull bu = b >> 31, bd = b & MASK31; ull mid = ad * bu + au * bd; ull midu = mid >> 30, midd = mid & MASK30; return (au * bu * 2 + midu + (midd << 31) + ad * bd); } static ull cal(ull x) { ull xu = x >> 61; ull xd = x & MASK61; ull res = xu + xd; if (res >= MOD) res -= MOD; return res; } static void set_hash() { if (BASE == 0) BASE = (1UL << 31) + (random_device()() & MASK31); } static void extend_pow_base(int len) { int nlen = pow_base.size(); if (nlen > len) return; pow_base.resize(len + 1); rep(i, nlen, len + 1) pow_base[i] = cal(mul(pow_base[i - 1], BASE)); } string str; int n; vector<ull> inner_hash; void build(const string& s) { set_hash(); str = s; n = s.size(); extend_pow_base(n); inner_hash.resize(n + 1); inner_hash[0] = 0; rep(i, 0, n) inner_hash[i + 1] = cal(mul(inner_hash[i], BASE) + s[i]); } }; typedef unsigned long long ull; ull RollingHash::BASE = 0; vector<ull> RollingHash::pow_base = vector<ull>(1, 1); using roriha = RollingHash; int main(){ int n, m, k; cin >> n >> m >> k; string s, t; cin >> s >> t; string s_lower = s; string t_lower = t; vector<mint> s_up(n), s_down(n); vector<mint> t_up(m), t_down(n); rep(i,0,n){ if ('A' <= s[i] && s[i] <= 'Z'){ s_lower[i] = s[i] - 'A' + 'a'; s_up[i] += 1; }else{ s_down[i] += 1; } } rep(i,0,m){ if ('A' <= t[i] && t[i] <= 'Z'){ t_lower[i] = t[i] - 'A' + 'a'; t_up[m-1-i] += 1; }else{ t_down[m-1-i] += 1; } } vector<mint> over1 = convolution(s_up, t_down); vector<mint> over2 = convolution(s_down, t_up); roriha rh_s = RollingHash(s_lower); roriha rh_t = RollingHash(t_lower); int ans = 0; rep(i,0,n-m+1){ mint tmp = over1[m-1+i] + over2[m-1+i]; if (1 <= tmp.val() && tmp.val() <= k){ if (rh_s.get(i,i+m) == rh_t.get(0,m)){ ans+=1; } } } cout << ans << '\n'; }