結果

問題 No.2732 Similar Permutations
ユーザー risujiroh
提出日時 2024-04-19 22:22:56
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 54 ms / 2,000 ms
コード長 2,735 bytes
コンパイル時間 3,282 ms
コンパイル使用メモリ 265,332 KB
実行使用メモリ 6,400 KB
最終ジャッジ日時 2024-10-11 15:52:05
合計ジャッジ時間 18,136 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 101
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#if __INCLUDE_LEVEL__ == 0
#include __BASE_FILE__
namespace {
void solve() {
int n;
scan(n);
std::vector<int> a(n);
scan(a);
std::vector<int> p(n);
for (const int i : rep(n)) {
p[i] = n - i;
}
std::map<int, std::vector<int>> mp;
do {
int cur = 0;
for (const int i : rep(n)) {
cur ^= a[i] + p[i];
}
if (mp.contains(cur)) {
print(mp[cur]);
print(p);
return;
}
mp[cur] = p;
} while (ranges::prev_permutation(p).found);
print(-1);
}
} // namespace
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout << std::setprecision(DBL_DECIMAL_DIG);
solve();
}
#else // __INCLUDE_LEVEL__
#include <bits/stdc++.h>
template <class T, class U = T>
bool chmin(T& x, U&& y) {
return y < x && (x = std::forward<U>(y), true);
}
template <class T, class U = T>
bool chmax(T& x, U&& y) {
return x < y && (x = std::forward<U>(y), true);
}
template <std::signed_integral T = int>
T inf() {
T ret;
std::memset(&ret, 0x3f, sizeof(ret));
return ret;
}
template <std::floating_point T>
T inf() {
return std::numeric_limits<T>::infinity();
}
template <class T>
concept Range = std::ranges::range<T> && !std::convertible_to<T, std::string_view>;
template <class T>
concept Tuple = std::__is_tuple_like<T>::value && !Range<T>;
namespace std {
istream& operator>>(istream& is, Range auto&& r) {
for (auto&& e : r) {
is >> e;
}
return is;
}
istream& operator>>(istream& is, Tuple auto&& t) {
return apply([&](auto&... xs) -> istream& { return (is >> ... >> xs); }, t);
}
ostream& operator<<(ostream& os, Range auto&& r) {
for (string_view sep = ""; auto&& e : r) {
os << exchange(sep, " ") << e;
}
return os;
}
ostream& operator<<(ostream& os, Tuple auto&& t) {
const auto f = [&](auto&... xs) -> ostream& {
[[maybe_unused]] string_view sep = "";
((os << exchange(sep, " ") << xs), ...);
return os;
};
return apply(f, t);
}
} // namespace std
void scan(auto&&... xs) { std::cin >> std::tie(xs...); }
void print(auto&&... xs) { std::cout << std::tie(xs...) << '\n'; }
template <class F>
class fix {
public:
explicit fix(F f) : f_(std::move(f)) {}
decltype(auto) operator()(auto&&... xs) const {
return f_(std::ref(*this), std::forward<decltype(xs)>(xs)...);
}
private:
F f_;
};
inline auto rep(int l, int r) { return std::views::iota(std::min(l, r), r); }
inline auto rep(int n) { return rep(0, n); }
inline auto rep1(int l, int r) { return rep(l, r + 1); }
inline auto rep1(int n) { return rep(1, n + 1); }
using namespace std::literals;
namespace ranges = std::ranges;
namespace views = std::views;
using i64 = std::int64_t;
#endif // __INCLUDE_LEVEL__
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