結果
問題 | No.2732 Similar Permutations |
ユーザー |
|
提出日時 | 2024-06-19 23:06:57 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 111 ms / 2,000 ms |
コード長 | 2,401 bytes |
コンパイル時間 | 2,108 ms |
コンパイル使用メモリ | 151,292 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-19 23:07:21 |
合計ジャッジ時間 | 23,782 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 101 |
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 << "}"; }#ifdef ONLINE_JUDGE#define dump(expr) ;#else#define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; }#endifnamespace solver {int n;vector<ll> vs;void read() {cin >> n;vs.resize(n);for (int i : range(n)) cin >> vs[i];}ll run() {const int fix = 30;vector<ll> ps(n);for (int i : range(n)) ps[i] = i + 1;ll prefsum = 0;int start = max(0, n - fix);for (int i : range(start)) prefsum ^= ps[i] + vs[i];dump(prefsum);map<ll, vector<ll>> seen;do {ll sum = prefsum;for (int i : range(start, n)) sum ^= ps[i] + vs[i];dump(sum);if (seen.count(sum)) {for (int i : range(start)) cout << i + 1 << " ";for (ll x : seen[sum]) cout << x << " ";cout << endl;for (ll x : ps) cout << x << " ";cout << endl;return 0;}vector<ll> part(ps.begin() + start, ps.end());seen[sum] = part;} while (next_permutation(ps.begin() + start, ps.end()));cout << -1 << endl;return 0;}}int main(int argc, char** argv) {cout << fixed << setprecision(12);int testcase = 1;if (argc > 1) testcase = atoi(argv[1]);while (testcase--) {solver::read();}solver::run();}