結果
問題 | No.1909 Detect from Substrings |
ユーザー | keijak |
提出日時 | 2022-04-23 10:31:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 7 ms / 2,000 ms |
コード長 | 3,147 bytes |
コンパイル時間 | 2,168 ms |
コンパイル使用メモリ | 212,056 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 21:29:04 |
合計ジャッジ時間 | 3,812 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,940 KB |
testcase_07 | AC | 4 ms
6,940 KB |
testcase_08 | AC | 7 ms
6,940 KB |
testcase_09 | AC | 7 ms
6,940 KB |
testcase_10 | AC | 5 ms
6,940 KB |
testcase_11 | AC | 5 ms
6,940 KB |
testcase_12 | AC | 5 ms
6,944 KB |
testcase_13 | AC | 6 ms
6,944 KB |
testcase_14 | AC | 7 ms
6,940 KB |
testcase_15 | AC | 7 ms
6,944 KB |
testcase_16 | AC | 5 ms
6,940 KB |
testcase_17 | AC | 4 ms
6,944 KB |
testcase_18 | AC | 4 ms
6,944 KB |
testcase_19 | AC | 5 ms
6,940 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 7 ms
6,940 KB |
testcase_22 | AC | 6 ms
6,944 KB |
testcase_23 | AC | 5 ms
6,944 KB |
testcase_24 | AC | 5 ms
6,940 KB |
testcase_25 | AC | 5 ms
6,944 KB |
testcase_26 | AC | 7 ms
6,940 KB |
testcase_27 | AC | 7 ms
6,944 KB |
testcase_28 | AC | 7 ms
6,944 KB |
testcase_29 | AC | 7 ms
6,940 KB |
testcase_30 | AC | 7 ms
6,940 KB |
testcase_31 | AC | 7 ms
6,940 KB |
testcase_32 | AC | 7 ms
6,940 KB |
testcase_33 | AC | 7 ms
6,940 KB |
testcase_34 | AC | 7 ms
6,940 KB |
testcase_35 | AC | 7 ms
6,944 KB |
testcase_36 | AC | 7 ms
6,944 KB |
testcase_37 | AC | 7 ms
6,944 KB |
testcase_38 | AC | 7 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define REP_(i, a_, b_, a, b, ...) for (int i = (a), END_##i = (b); i < END_##i; ++i) #define REP(i, ...) REP_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define ALL(x) std::begin(x), std::end(x) using Int = long long; using Uint = unsigned long long; using Real = long double; template<typename T, typename U> inline bool chmax(T &a, U b) { return a < b and ((a = b), true); } template<typename T, typename U> inline bool chmin(T &a, U b) { return a > b and ((a = b), true); } template<typename T> inline int ssize(const T &a) { return (int) a.size(); } template<typename T> constexpr T kBigVal = std::numeric_limits<T>::max() / 2; struct CastInput { template<typename T> operator T() const { T x; std::cin >> x; return x; } struct Sized { int n; template<typename T> operator T() const { T xs(n); for (auto &x: xs) std::cin >> x; return xs; } }; Sized operator()(int n) const { return {n}; } } in; template<typename Container> std::ostream &print_seq(const Container &seq, const char *sep = " ", const char *ends = "\n", std::ostream &os = std::cout) { const auto itl = std::begin(seq), itr = std::end(seq); for (auto it = itl; it != itr; ++it) { if (it != itl) os << sep; os << *it; } return os << ends; } template<typename T> inline std::ostream &print_one(const T &x, char endc) { if constexpr (std::is_same<T, bool>::value) { return std::cout << (x ? "Yes" : "No") << endc; } else { return std::cout << x << endc; } } template<typename T> inline std::ostream &print(const T &x) { return print_one(x, '\n'); } template<typename T, typename... Ts> std::ostream &print(const T &head, Ts... tail) { return print_one(head, ' '), print(tail...); } inline std::ostream &print() { return std::cout << '\n'; } void exit_() { std::cout.flush(), std::cerr.flush(), std::_Exit(0); } #ifdef MY_DEBUG #include "debug_dump.hpp" #include "backward.hpp" backward::SignalHandling kSignalHandling; #else #define DUMP(...) #define cerr if(false)cerr #endif using namespace std; Int solve() { int n = in, m = in; vector<string> S = in(n); auto is_subseq = [&](int j, string_view T) -> bool { int plen = 0, slen = 0; while (plen < m and S[j][plen] == T[plen]) ++plen; while (slen < m and S[j][m - 1 - slen] == T[m - slen]) ++slen; return (plen + slen >= m); }; std::set < string > candidates; { int i = 0; while (i < m and S[0][i] == S[1][i]) ++i; candidates.insert(S[0].substr(0, i) + S[0][i] + S[1].substr(i)); candidates.insert(S[0].substr(0, i) + S[1][i] + S[0].substr(i)); } DUMP(candidates); int count = 0; for (const string &T: candidates) { bool ok = true; for (int j = 0; j < n; ++j) { if (not is_subseq(j, T)) { ok = false; break; } } if (ok) ++count; } return count; } int main() { std::ios::sync_with_stdio(false), cin.tie(nullptr); cout << std::fixed << std::setprecision(18); const int T = 1;//in; REP(t, T) { print(solve()); } exit_(); }