結果
問題 | No.1369 交換門松列・竹 |
ユーザー | Haar |
提出日時 | 2021-01-29 22:31:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,046 bytes |
コンパイル時間 | 2,437 ms |
コンパイル使用メモリ | 217,472 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-27 08:49:09 |
合計ジャッジ時間 | 3,089 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 4 ms
6,940 KB |
testcase_14 | WA | - |
testcase_15 | AC | 7 ms
6,940 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 6 ms
6,940 KB |
testcase_20 | AC | 7 ms
6,940 KB |
testcase_21 | AC | 6 ms
6,940 KB |
testcase_22 | AC | 6 ms
6,944 KB |
testcase_23 | WA | - |
testcase_24 | AC | 7 ms
6,944 KB |
testcase_25 | AC | 5 ms
6,940 KB |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 5 ms
6,940 KB |
testcase_29 | AC | 5 ms
6,944 KB |
testcase_30 | AC | 6 ms
6,944 KB |
testcase_31 | AC | 6 ms
6,940 KB |
testcase_32 | WA | - |
testcase_33 | AC | 5 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #ifdef DEBUG #include <Mylib/Debug/debug.cpp> #else #define dump(...) ((void)0) #endif template <typename T, typename U> bool chmin(T &a, const U &b){ return (a > b ? a = b, true : false); } template <typename T, typename U> bool chmax(T &a, const U &b){ return (a < b ? a = b, true : false); } template <typename T, size_t N, typename U> void fill_array(T (&a)[N], const U &v){ std::fill((U*)a, (U*)(a + N), v); } template <typename T, size_t N, size_t I = N> auto make_vector(const std::array<int, N> &a, T value = T()){ static_assert(I >= 1); static_assert(N >= 1); if constexpr (I == 1){ return std::vector<T>(a[N - I], value); }else{ return std::vector(a[N - I], make_vector<T, N, I - 1>(a, value)); } } template <typename T> std::ostream& operator<<(std::ostream &s, const std::vector<T> &a){ for(auto it = a.begin(); it != a.end(); ++it){ if(it != a.begin()) s << " "; s << *it; } return s; } template <typename T> std::istream& operator>>(std::istream &s, std::vector<T> &a){ for(auto &x : a) s >> x; return s; } std::string YesNo(bool value){return value ? "Yes" : "No";} std::string YESNO(bool value){return value ? "YES" : "NO";} std::string yesno(bool value){return value ? "yes" : "no";} template <typename T> void putl(const T &value){ std::cout << value << "\n"; } template <typename Head, typename ... Tail> void putl(const Head head, const Tail &... tail){ std::cout << head << " "; putl(tail ...); } namespace haar_lib {} namespace haar_lib { template <typename Container> auto run_length_encoding(const Container &v){ using T = typename Container::value_type; std::vector<std::pair<T, int64_t>> ret; for(auto &&x : v){ if(ret.empty()) ret.emplace_back(x, 1); else if(ret.back().first == x) ++ret.back().second; else ret.emplace_back(x, 1); } return ret; } } namespace solver { using namespace haar_lib; constexpr int m1000000007 = 1000000007; constexpr int m998244353 = 998244353; void init(){ std::cin.tie(0); std::ios::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(12); std::cerr << std::fixed << std::setprecision(12); std::cin.exceptions(std::ios_base::failbit); } bool is_kadomatsu(int64_t a, int64_t b, int64_t c){ if(a != b and b != c and c != a){ if(std::min({a, b, c}) == b or std::max({a, b, c}) == b){ return true; } } return false; } void solve(){ int T; std::cin >> T; while(T--){ int N; std::cin >> N; std::vector<int> A(N); std::cin >> A; std::vector<bool> kadomatsu(N - 2); for(int i = 0; i < N - 2; ++i){ kadomatsu[i] = is_kadomatsu(A[i], A[i + 1], A[i + 2]); } dump(kadomatsu); auto r = run_length_encoding(kadomatsu); dump(r); std::vector<std::pair<int, int>> enum_false; int pos = 0; for(auto [p, c] : r){ if(p == false){ enum_false.emplace_back(pos, c); } pos += c; } dump(enum_false); if(enum_false.size() >= 3){ std::cout << YesNo(false) << "\n"; continue; } if(enum_false.size() == 2){ if(enum_false[0].second < 10 or enum_false[1].second < 10){ bool res = [&](){ int s1 = enum_false[0].first, t1 = s1 + enum_false[0].second; int s2 = enum_false[1].first, t2 = s2 + enum_false[1].second; for(int i = std::max(s1 - 5, 0); i < std::min(t1 + 5, N); ++i){ for(int j = std::max(s2 - 5, 0); j < std::min(t2 + 5, N); ++j){ if(i != j and A[i] != A[j]){ bool ok = true; std::swap(A[i], A[j]); for(int k = std::max(s1 - 5, 0); k < std::min(t1 + 5, N - 2); ++k){ if(not is_kadomatsu(A[k], A[k + 1], A[k + 2])){ ok = false; break; } } for(int k = std::max(s2 - 5, 0); k < std::min(t2 + 5, N - 2); ++k){ if(not is_kadomatsu(A[k], A[k + 1], A[k + 2])){ ok = false; break; } } std::swap(A[i], A[j]); if(ok){ std::cout << YesNo(true) << "\n"; return true; } } } } return false; }(); if(res) continue; } if(enum_false[1].first - enum_false[0].first < 20){ bool res = [&](){ int s = enum_false[0].first; int t = s + 50; for(int i = std::max(s - 5, 0); i < std::min(t + 5, N); ++i){ for(int j = 0; j < N; ++j){ if(i != j and A[i] != A[j]){ bool ok = true; std::swap(A[i], A[j]); for(int k = std::max(s - 5, 0); k < std::min(t + 5, N - 2); ++k){ if(not is_kadomatsu(A[k], A[k + 1], A[k + 2])){ ok = false; break; } } std::swap(A[i], A[j]); if(ok){ std::cout << YesNo(true) << "\n"; return true; } } } } return false; }(); if(res) continue; } } if(enum_false.size() == 1){ if(enum_false[0].second > 20){ std::cout << YesNo(false) << "\n"; continue; } bool res = [&](){ int s = enum_false[0].first; int t = s + enum_false[0].second; for(int i = std::max(s - 5, 0); i < std::min(t + 5, N); ++i){ for(int j = 0; j < N; ++j){ if(i != j and A[i] != A[j]){ bool ok = true; std::swap(A[i], A[j]); for(int k = std::max(s - 5, 0); k < std::min(t + 5, N - 2); ++k){ if(not is_kadomatsu(A[k], A[k + 1], A[k + 2])){ ok = false; break; } } std::swap(A[i], A[j]); if(ok){ std::cout << YesNo(true) << "\n"; return true; } } } } return false; }(); if(res) continue; } std::cout << YesNo(false) << "\n"; } } } int main(){ solver::init(); while(true){ try{ solver::solve(); std::cout << std::flush; std::cerr << std::flush; }catch(const std::istream::failure &e){ break; }catch(...){ break; } } return 0; }