結果
問題 | No.2719 Equal Inner Products in Permutation |
ユーザー | ir5 |
提出日時 | 2024-07-12 19:56:04 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 61 ms / 2,000 ms |
コード長 | 3,909 bytes |
コンパイル時間 | 1,673 ms |
コンパイル使用メモリ | 145,012 KB |
実行使用メモリ | 8,172 KB |
最終ジャッジ日時 | 2024-07-12 19:56:11 |
合計ジャッジ時間 | 7,180 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 | 1 ms
5,248 KB |
testcase_01 | AC | 1 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 | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 47 ms
7,144 KB |
testcase_16 | AC | 55 ms
7,828 KB |
testcase_17 | AC | 37 ms
6,016 KB |
testcase_18 | AC | 57 ms
7,680 KB |
testcase_19 | AC | 46 ms
7,136 KB |
testcase_20 | AC | 32 ms
5,760 KB |
testcase_21 | AC | 56 ms
7,796 KB |
testcase_22 | AC | 42 ms
6,400 KB |
testcase_23 | AC | 37 ms
6,272 KB |
testcase_24 | AC | 31 ms
5,888 KB |
testcase_25 | AC | 61 ms
8,172 KB |
testcase_26 | AC | 56 ms
7,948 KB |
testcase_27 | AC | 57 ms
8,036 KB |
testcase_28 | AC | 61 ms
8,004 KB |
testcase_29 | AC | 56 ms
7,860 KB |
testcase_30 | AC | 58 ms
7,860 KB |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> using namespace std; using ll = long long; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> void take(vector<T>& vec, int n) { vec.resize(n); for (int i = 0; i < n; ++i) cin >> vec[i]; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif namespace solver { template<typename T1, typename T2> struct In2 { T1 a; T2 b; friend std::istream& operator>>(std::istream& is, In2& obj) { T1 t1; T2 t2; is >> t1 >> t2; obj = {t1, t2}; return is; } }; template<typename T1, typename T2, typename T3> struct In3 { T1 a; T2 b; T3 c; friend std::istream& operator>>(std::istream& is, In3& obj) { T1 t1; T2 t2; T3 t3; is >> t1 >> t2 >> t3; obj = {t1, t2, t3}; return is; } }; int n; void read() { cin >> n; } void expe() { vector<int> v(6); for (int i : range(6)) v[i] = i + 1; do { if (v[0] * v[2] + v[1] * v[3] == v[4] * v[2] + v[5] * v[3]) { dump(v); break; } } while (next_permutation(v.begin(), v.end())); } using RetType = void; RetType run() { if (n == 1) { cout << "-1" << endl; return; } vector<ll> res; if (n == 2) { res = {1, 4, 3, 6, 5, 2}; } else { res.assign(3 * n, 0); for (ll i : range(n)) res[n + i] = i + 1; int s[4] = {0, 1, 1, 0}; for (ll i : range(n)) { ll lo = n + 2 * i + 1; ll hi = n + 2 * i + 2; ll j = i, k = 2 * n + i; if (n % 4 == 0) { if (s[i % 4]) swap(j, k); } if (n % 4 == 3) { if (i < 3) { if (i == 2) swap(j, k); } else { if (s[(i - 3) % 4]) swap(j, k); } } if (n % 4 == 1 || n % 4 == 2) { if (i == 0) lo = n + 1, hi = n + 3; if (i == 1) lo = n + 2, hi = n + 4; } if (n % 4 == 1) { if (i < 5) { if (i < 3) swap(j, k); } else if (s[(i - 5) % 4]) swap(j, k); } if (n % 4 == 2) { if (i < 6) { if (i == 0) swap(j, k); if (i == 3) swap(j, k); if (i == 5) swap(j, k); } else if (s[(i - 6) % 4]) swap(j, k); } res[j] = lo, res[k] = hi; } } dump(res); ll sum1 = 0, sum2 = 0; for (ll i : range(n)) { sum1 += res[n + i] * res[i]; sum2 += res[n + i] * res[2 * n + i]; } dump(sum1 << " " << sum2); assert(sum1 == sum2); for (auto e : res) cout << e << " "; cout << endl; } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << endl; } int main(int argc, char** argv) { cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase = 1; if (argc > 1) testcase = atoi(argv[1]); while (testcase--) { solver::read(); } run(solver::run); }