結果
問題 | No.1909 Detect from Substrings |
ユーザー | suisen |
提出日時 | 2022-04-22 21:11:06 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 8 ms / 2,000 ms |
コード長 | 12,448 bytes |
コンパイル時間 | 2,099 ms |
コンパイル使用メモリ | 204,716 KB |
実行使用メモリ | 5,628 KB |
最終ジャッジ日時 | 2024-06-24 02:08:15 |
合計ジャッジ時間 | 3,710 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 7 ms
5,628 KB |
testcase_09 | AC | 6 ms
5,376 KB |
testcase_10 | AC | 5 ms
5,376 KB |
testcase_11 | AC | 5 ms
5,376 KB |
testcase_12 | AC | 5 ms
5,376 KB |
testcase_13 | AC | 7 ms
5,376 KB |
testcase_14 | AC | 7 ms
5,416 KB |
testcase_15 | AC | 8 ms
5,376 KB |
testcase_16 | AC | 5 ms
5,376 KB |
testcase_17 | AC | 5 ms
5,376 KB |
testcase_18 | AC | 5 ms
5,376 KB |
testcase_19 | AC | 5 ms
5,376 KB |
testcase_20 | AC | 5 ms
5,376 KB |
testcase_21 | AC | 8 ms
5,476 KB |
testcase_22 | AC | 7 ms
5,496 KB |
testcase_23 | AC | 6 ms
5,376 KB |
testcase_24 | AC | 6 ms
5,376 KB |
testcase_25 | AC | 5 ms
5,376 KB |
testcase_26 | AC | 7 ms
5,428 KB |
testcase_27 | AC | 7 ms
5,440 KB |
testcase_28 | AC | 8 ms
5,416 KB |
testcase_29 | AC | 8 ms
5,444 KB |
testcase_30 | AC | 8 ms
5,436 KB |
testcase_31 | AC | 8 ms
5,412 KB |
testcase_32 | AC | 7 ms
5,412 KB |
testcase_33 | AC | 8 ms
5,376 KB |
testcase_34 | AC | 8 ms
5,376 KB |
testcase_35 | AC | 8 ms
5,440 KB |
testcase_36 | AC | 7 ms
5,444 KB |
testcase_37 | AC | 8 ms
5,440 KB |
testcase_38 | AC | 7 ms
5,448 KB |
ソースコード
// #pragma comment(linker, "/stack:200000000")#include <bits/stdc++.h>#include <limits>#include <type_traits>namespace suisen {// ! utilitytemplate <typename ...Types>using constraints_t = std::enable_if_t<std::conjunction_v<Types...>, std::nullptr_t>;template <bool cond_v, typename Then, typename OrElse>constexpr decltype(auto) constexpr_if(Then&& then, OrElse&& or_else) {if constexpr (cond_v) {return std::forward<Then>(then);} else {return std::forward<OrElse>(or_else);}}// ! functiontemplate <typename ReturnType, typename Callable, typename ...Args>using is_same_as_invoke_result = std::is_same<std::invoke_result_t<Callable, Args...>, ReturnType>;template <typename F, typename T>using is_uni_op = is_same_as_invoke_result<T, F, T>;template <typename F, typename T>using is_bin_op = is_same_as_invoke_result<T, F, T, T>;template <typename Comparator, typename T>using is_comparator = std::is_same<std::invoke_result_t<Comparator, T, T>, bool>;// ! integraltemplate <typename T, typename = constraints_t<std::is_integral<T>>>constexpr int bit_num = std::numeric_limits<std::make_unsigned_t<T>>::digits;template <typename T, unsigned int n>struct is_nbit { static constexpr bool value = bit_num<T> == n; };template <typename T, unsigned int n>static constexpr bool is_nbit_v = is_nbit<T, n>::value;// ?template <typename T>struct safely_multipliable {};template <>struct safely_multipliable<int> { using type = long long; };template <>struct safely_multipliable<long long> { using type = __int128_t; };template <>struct safely_multipliable<unsigned int> { using type = unsigned long long; };template <>struct safely_multipliable<unsigned long long> { using type = __uint128_t; };template <>struct safely_multipliable<float> { using type = float; };template <>struct safely_multipliable<double> { using type = double; };template <>struct safely_multipliable<long double> { using type = long double; };template <typename T>using safely_multipliable_t = typename safely_multipliable<T>::type;} // namespace suisen// ! type aliasesusing i128 = __int128_t;using u128 = __uint128_t;using ll = long long;using uint = unsigned int;using ull = unsigned long long;template <typename T> using vec = std::vector<T>;template <typename T> using vec2 = vec<vec <T>>;template <typename T> using vec3 = vec<vec2<T>>;template <typename T> using vec4 = vec<vec3<T>>;template <typename T>using pq_greater = std::priority_queue<T, std::vector<T>, std::greater<T>>;template <typename T, typename U>using umap = std::unordered_map<T, U>;// ! macros (capital: internal macro)#define OVERLOAD2(_1,_2,name,...) name#define OVERLOAD3(_1,_2,_3,name,...) name#define OVERLOAD4(_1,_2,_3,_4,name,...) name#define REP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l);i<(r);i+=(s))#define REP3(i,l,r) REP4(i,l,r,1)#define REP2(i,n) REP3(i,0,n)#define REPINF3(i,l,s) for(std::remove_reference_t<std::remove_const_t<decltype(l)>>i=(l);;i+=(s))#define REPINF2(i,l) REPINF3(i,l,1)#define REPINF1(i) REPINF2(i,0)#define RREP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l)+fld((r)-(l)-1,s)*(s);i>=(l);i-=(s))#define RREP3(i,l,r) RREP4(i,l,r,1)#define RREP2(i,n) RREP3(i,0,n)#define rep(...) OVERLOAD4(__VA_ARGS__, REP4 , REP3 , REP2 )(__VA_ARGS__)#define rrep(...) OVERLOAD4(__VA_ARGS__, RREP4 , RREP3 , RREP2 )(__VA_ARGS__)#define repinf(...) OVERLOAD3(__VA_ARGS__, REPINF3, REPINF2, REPINF1)(__VA_ARGS__)#define CAT_I(a, b) a##b#define CAT(a, b) CAT_I(a, b)#define UNIQVAR(tag) CAT(tag, __LINE__)#define loop(n) for (std::remove_reference_t<std::remove_const_t<decltype(n)>> UNIQVAR(loop_variable) = n; UNIQVAR(loop_variable) --> 0;)#define all(iterable) (iterable).begin(), (iterable).end()#define input(type, ...) type __VA_ARGS__; read(__VA_ARGS__)// ! I/O utilities// pairtemplate <typename T, typename U>std::ostream& operator<<(std::ostream& out, const std::pair<T, U> &a) {return out << a.first << ' ' << a.second;}// tupletemplate <unsigned int N = 0, typename ...Args>std::ostream& operator<<(std::ostream& out, const std::tuple<Args...> &a) {if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) {return out;} else {out << std::get<N>(a);if constexpr (N + 1 < std::tuple_size_v<std::tuple<Args...>>) {out << ' ';}return operator<<<N + 1>(out, a);}}// vectortemplate <typename T>std::ostream& operator<<(std::ostream& out, const std::vector<T> &a) {for (auto it = a.begin(); it != a.end();) {out << *it;if (++it != a.end()) out << ' ';}return out;}// arraytemplate <typename T, size_t N>std::ostream& operator<<(std::ostream& out, const std::array<T, N> &a) {for (auto it = a.begin(); it != a.end();) {out << *it;if (++it != a.end()) out << ' ';}return out;}inline void print() { std::cout << '\n'; }template <typename Head, typename... Tail>inline void print(const Head &head, const Tail &...tails) {std::cout << head;if (sizeof...(tails)) std::cout << ' ';print(tails...);}template <typename Iterable>auto print_all(const Iterable& v, std::string sep = " ", std::string end = "\n") -> decltype(std::cout << *v.begin(), void()) {for (auto it = v.begin(); it != v.end();) {std::cout << *it;if (++it != v.end()) std::cout << sep;}std::cout << end;}// pairtemplate <typename T, typename U>std::istream& operator>>(std::istream& in, std::pair<T, U> &a) {return in >> a.first >> a.second;}// tupletemplate <unsigned int N = 0, typename ...Args>std::istream& operator>>(std::istream& in, std::tuple<Args...> &a) {if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) {return in;} else {return operator>><N + 1>(in >> std::get<N>(a), a);}}// vectortemplate <typename T>std::istream& operator>>(std::istream& in, std::vector<T> &a) {for (auto it = a.begin(); it != a.end(); ++it) in >> *it;return in;}// arraytemplate <typename T, size_t N>std::istream& operator>>(std::istream& in, std::array<T, N> &a) {for (auto it = a.begin(); it != a.end(); ++it) in >> *it;return in;}template <typename ...Args>void read(Args &...args) {( std::cin >> ... >> args );}// ! integral utilities// Returns pow(-1, n)template <typename T>constexpr inline int pow_m1(T n) {return -(n & 1) | 1;}// Returns pow(-1, n)template <>constexpr inline int pow_m1<bool>(bool n) {return -int(n) | 1;}// Returns floor(x / y)template <typename T>constexpr inline T fld(const T x, const T y) {return (x ^ y) >= 0 ? x / y : (x - (y + pow_m1(y >= 0))) / y;}template <typename T>constexpr inline T cld(const T x, const T y) {return (x ^ y) <= 0 ? x / y : (x + (y + pow_m1(y >= 0))) / y;}template <typename T, suisen::constraints_t<suisen::is_nbit<T, 16>> = nullptr>constexpr inline int popcount(const T x) { return __builtin_popcount(x); }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 32>> = nullptr>constexpr inline int popcount(const T x) { return __builtin_popcount(x); }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 64>> = nullptr>constexpr inline int popcount(const T x) { return __builtin_popcountll(x); }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 16>> = nullptr>constexpr inline int count_lz(const T x) { return x ? __builtin_clz(x) : suisen::bit_num<T>; }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 32>> = nullptr>constexpr inline int count_lz(const T x) { return x ? __builtin_clz(x) : suisen::bit_num<T>; }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 64>> = nullptr>constexpr inline int count_lz(const T x) { return x ? __builtin_clzll(x) : suisen::bit_num<T>; }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 16>> = nullptr>constexpr inline int count_tz(const T x) { return x ? __builtin_ctz(x) : suisen::bit_num<T>; }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 32>> = nullptr>constexpr inline int count_tz(const T x) { return x ? __builtin_ctz(x) : suisen::bit_num<T>; }template <typename T, suisen::constraints_t<suisen::is_nbit<T, 64>> = nullptr>constexpr inline int count_tz(const T x) { return x ? __builtin_ctzll(x) : suisen::bit_num<T>; }template <typename T>constexpr inline int floor_log2(const T x) { return suisen::bit_num<T> - 1 - count_lz(x); }template <typename T>constexpr inline int ceil_log2(const T x) { return floor_log2(x) + ((x & -x) != x); }template <typename T>constexpr inline int kth_bit(const T x, const unsigned int k) { return (x >> k) & 1; }template <typename T>constexpr inline int parity(const T x) { return popcount(x) & 1; }struct all_subset {struct all_subset_iter {const int s; int t;constexpr all_subset_iter(int s) : s(s), t(s + 1) {}constexpr auto operator*() const { return t; }constexpr auto operator++() {}constexpr auto operator!=(std::nullptr_t) { return t ? (--t &= s, true) : false; }};int s;constexpr all_subset(int s) : s(s) {}constexpr auto begin() { return all_subset_iter(s); }constexpr auto end() { return nullptr; }};// ! containertemplate <typename T, typename Comparator, suisen::constraints_t<suisen::is_comparator<Comparator, T>> = nullptr>auto priqueue_comp(const Comparator comparator) {return std::priority_queue<T, std::vector<T>, Comparator>(comparator);}template <typename Iterable>auto isize(const Iterable &iterable) -> decltype(int(iterable.size())) {return iterable.size();}template <typename T, typename Gen, suisen::constraints_t<suisen::is_same_as_invoke_result<T, Gen, int>> = nullptr>auto generate_vector(int n, Gen generator) {std::vector<T> v(n);for (int i = 0; i < n; ++i) v[i] = generator(i);return v;}template <typename T>auto generate_range_vector(T l, T r) {return generate_vector(r - l, [l](int i) { return l + i; });}template <typename T>auto generate_range_vector(T n) {return generate_range_vector(0, n);}template <typename T>void sort_unique_erase(std::vector<T> &a) {std::sort(a.begin(), a.end());a.erase(std::unique(a.begin(), a.end()), a.end());}template <typename InputIterator, typename BiConsumer>auto foreach_adjacent_values(InputIterator first, InputIterator last, BiConsumer f) -> decltype(f(*first++, *last), void()) {if (first != last) for (auto itr = first, itl = itr++; itr != last; itl = itr++) f(*itl, *itr);}template <typename Container, typename BiConsumer>auto foreach_adjacent_values(Container c, BiConsumer f) -> decltype(c.begin(), c.end(), void()){foreach_adjacent_values(c.begin(), c.end(), f);}// ! other utilities// x <- min(x, y). returns true iff `x` has chenged.template <typename T>inline bool chmin(T &x, const T &y) {if (y >= x) return false;x = y;return true;}// x <- max(x, y). returns true iff `x` has chenged.template <typename T>inline bool chmax(T &x, const T &y) {if (y <= x) return false;x = y;return true;}namespace suisen {}using namespace suisen;using namespace std;struct io_setup {io_setup(int precision = 20) {std::ios::sync_with_stdio(false);std::cin.tie(nullptr);std::cout << std::fixed << std::setprecision(precision);}} io_setup_{};// ! code from hereint main() {input(int, n, m);vector<string> s(n);read(s);int ans = 0;auto check = [&](string a) -> bool {rep(i, n) {int j = 0;while (j < m and a[j] == s[i][j]) ++j;while (j < m and a[j + 1] == s[i][j]) ++j;if (j != m) return false;}return true;};rep(i, m) {if (s[0][i] != s[1][i]) {{string a = s[0].substr(0, i);a += s[1][i];a += s[0].substr(i);ans += check(a);}{string a = s[0].substr(0, i);a += s[0][i];a += s[1].substr(i);ans += check(a);}break;}}print(ans);return 0;}