結果
問題 | No.1674 Introduction to XOR |
ユーザー | kyon2326 |
提出日時 | 2021-09-10 22:54:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 1,000 ms |
コード長 | 17,527 bytes |
コンパイル時間 | 4,575 ms |
コンパイル使用メモリ | 262,780 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-12 02:43:07 |
合計ジャッジ時間 | 5,523 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 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 | 2 ms
5,376 KB |
testcase_06 | AC | 2 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 | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
ソースコード
#define _USE_MATH_DEFINES #include <bits/stdc++.h> #include <bits/extc++.h> using namespace std; /* #include <atcoder/all> using namespace atcoder; */ /* #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using bll = boost::multiprecision::cpp_int; using bdouble = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<100>>; using namespace boost::multiprecision; */ #if defined(LOCAL_TEST) || defined(LOCAL_DEV) #define BOOST_STACKTRACE_USE_ADDR2LINE #define BOOST_STACKTRACE_ADDR2LINE_LOCATION /usr/local/opt/binutils/bin/addr2line #define _GNU_SOURCE 1 #include <boost/stacktrace.hpp> #endif #ifdef LOCAL_TEST namespace std { template <typename T> class dvector : public std::vector<T> { public: using std::vector<T>::vector; template <typename T_ = T, typename std::enable_if_t<std::is_same_v<T_, bool>, std::nullptr_t> = nullptr> std::vector<bool>::reference operator[](std::size_t n) { if (this->size() <= n) { std::cerr << boost::stacktrace::stacktrace() << '\n' << "vector::_M_range_check: __n (which is " << n << ") >= this->size() (which is " << this->size() << ")" << '\n'; } return this->at(n); } template <typename T_ = T, typename std::enable_if_t<std::is_same_v<T_, bool>, std::nullptr_t> = nullptr> const T_ operator[](std::size_t n) const { if (this->size() <= n) { std::cerr << boost::stacktrace::stacktrace() << '\n' << "vector::_M_range_check: __n (which is " << n << ") >= this->size() (which is " << this->size() << ")" << '\n'; } return this->at(n); } template <typename T_ = T, typename std::enable_if_t<!std::is_same_v<T_, bool>, std::nullptr_t> = nullptr> T_& operator[](std::size_t n) { if (this->size() <= n) { std::cerr << boost::stacktrace::stacktrace() << '\n' << "vector::_M_range_check: __n (which is " << n << ") >= this->size() (which is " << this->size() << ")" << '\n'; } return this->at(n); } template <typename T_ = T, typename std::enable_if_t<!std::is_same_v<T_, bool>, std::nullptr_t> = nullptr> const T_& operator[](std::size_t n) const { if (this->size() <= n) { std::cerr << boost::stacktrace::stacktrace() << '\n' << "vector::_M_range_check: __n (which is " << n << ") >= this->size() (which is " << this->size() << ")" << '\n'; } return this->at(n); } }; template <typename T, typename Compare = std::less<T>, typename Allocator = std::allocator<T>> class dmultiset : public std::multiset<T,Compare,Allocator> { public: using std::multiset<T,Compare,Allocator>::multiset; const typename std::multiset<T,Compare,Allocator>::iterator erase(const typename std::multiset<T,Compare,Allocator>::iterator it) { return std::multiset<T,Compare,Allocator>::erase(it); } std::size_t erase([[maybe_unused]] const T& x) { std::cerr << boost::stacktrace::stacktrace() << '\n'; assert(false); } std::size_t erase_all_elements(const T& x) { return std::multiset<T,Compare,Allocator>::erase(x); } }; } #define vector dvector #define multiset dmultiset class SIGFPE_exception : std::exception {}; class SIGSEGV_exception : std::exception {}; void catch_SIGFPE([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGFPE_exception(); } void catch_SIGSEGV([[maybe_unused]] int e) { std::cerr << boost::stacktrace::stacktrace() << '\n'; throw SIGSEGV_exception(); } signed convertedmain(); signed main() { signal(SIGFPE, catch_SIGFPE); signal(SIGSEGV, catch_SIGSEGV); return convertedmain(); } #define main() convertedmain() #else #define erase_all_elements erase #endif #ifdef LOCAL_DEV template <typename T1, typename T2> std::ostream& operator<<(std::ostream& s, const std::pair<T1, T2>& p) { return s << "(" << p.first << ", " << p.second << ")"; } template <typename T, std::size_t N> std::ostream& operator<<(std::ostream& s, const std::array<T, N>& a) { s << "{ "; for (std::size_t i = 0; i < N; ++i){ s << a[i] << "\t"; } s << "}"; return s; } template <typename T> std::ostream& operator<<(std::ostream& s, const std::set<T>& se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr){ s << (*itr) << "\t"; } s << "}"; return s; } template <typename T> std::ostream& operator<<(std::ostream& s, const std::multiset<T>& se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr){ s << (*itr) << "\t"; } s << "}"; return s; } template <typename T1, typename T2> std::ostream& operator<<(std::ostream& s, const std::map<T1, T2>& m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr){ s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } template <typename T> std::ostream& operator<<(std::ostream& s, const std::deque<T>& v) { for (std::size_t i = 0; i < v.size(); ++i){ s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream& operator<<(std::ostream& s, const std::vector<T>& v) { for (std::size_t i = 0; i < v.size(); ++i){ s << v[i]; if (i < v.size() - 1) s << "\t"; } return s; } template <typename T> std::ostream& operator<<(std::ostream& s, const std::vector<std::vector<T>>& vv) { s << "\\\n"; for (std::size_t i = 0; i < vv.size(); ++i){ s << vv[i] << "\n"; } return s; } template <typename T, std::size_t N, typename std::enable_if_t<!std::is_same_v<T, char>, std::nullptr_t> = nullptr> std::ostream& operator<<(std::ostream& s, const T (&v)[N]) { for (std::size_t i = 0; i < N; ++i){ s << v[i]; if (i < N - 1) s << "\t"; } return s; } #if __has_include(<ext/pb_ds/assoc_container.hpp>) template <typename Key, typename Compare> std::ostream& operator<<(std::ostream& s, const __gnu_pbds::tree<Key, __gnu_pbds::null_type, Compare, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>& se) { s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr){ s << (*itr) << "\t"; } s << "}"; return s; } template <typename Key, typename T, typename Hash> std::ostream& operator<<(std::ostream& s, const __gnu_pbds::gp_hash_table<Key, T, Hash>& m) { s << "{\n"; for (auto itr = m.begin(); itr != m.end(); ++itr){ s << "\t" << (*itr).first << " : " << (*itr).second << "\n"; } s << "}"; return s; } #endif void debug_impl() { std::cerr << '\n'; } template <typename Head, typename... Tail> void debug_impl(const Head& head, const Tail&... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); } #define debug(...) do { std::cerr << ":" << __LINE__ << " (" << #__VA_ARGS__ << ") ="; debug_impl(__VA_ARGS__); } while (false) constexpr inline long long prodlocal([[maybe_unused]] long long prod, [[maybe_unused]] long long local) { return local; } #else #define debug(...) do {} while (false) constexpr inline long long prodlocal([[maybe_unused]] long long prod, [[maybe_unused]] long long local) { return prod; } #endif //#define int long long using ll = long long; //INT_MAX = (1<<31)-1 = 2147483647, INT64_MAX = (1LL<<63)-1 = 9223372036854775807 constexpr ll INF = std::numeric_limits<ll>::max() == INT_MAX ? (ll)1e9 + 7 : (ll)1e18; constexpr ll MOD = (ll)1e9 + 7; //primitive root = 5 //constexpr ll MOD = 998244353; //primitive root = 3 constexpr double EPS = 1e-9; constexpr ll dx[4] = {1, 0, -1, 0}; constexpr ll dy[4] = {0, 1, 0, -1}; constexpr ll dx8[8] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr ll dy8[8] = {0, 1, 0, -1, 1, -1, 1, -1}; #define rep(i, n) for(ll i=0, i##_length=(n); i< i##_length; ++i) #define repeq(i, n) for(ll i=1, i##_length=(n); i<=i##_length; ++i) #define rrep(i, n) for(ll i=(n)-1; i>=0; --i) #define rrepeq(i, n) for(ll i=(n) ; i>=1; --i) #define all(v) std::begin(v), std::end(v) #define rall(v) std::rbegin(v), std::rend(v) void p() { std::cout << '\n'; } template <typename Head, typename... Tail> void p(const Head& head, const Tail&... tail) { std::cout << head << (sizeof...(tail) ? " " : ""); p(tail...); } template <typename T> inline void pv(const std::vector<T>& v) { for(ll i=0, N=v.size(); i<N; i++) std::cout << v[i] << " \n"[i==N-1]; } template <typename T> inline bool chmax(T& a, T b) { return a < b && (a = b, true); } template <typename T> inline bool chmin(T& a, T b) { return a > b && (a = b, true); } template <typename T> inline void uniq(std::vector<T>& v) { std::sort(v.begin(), v.end()); v.erase(std::unique(v.begin(), v.end()), v.end()); } template <typename T> inline ll sz(const T& v) { return std::size(v); } template <typename T, std::size_t N> std::vector<T> make_vector_impl(std::vector<ll>& sizes, typename std::enable_if<(N==1), const T&>::type x) { return std::vector<T>(sizes.front(),x); } template <typename T, std::size_t N> auto make_vector_impl(std::vector<ll>& sizes, typename std::enable_if<(N>1), const T&>::type x) { ll size=sizes.back(); sizes.pop_back(); return std::vector<decltype(make_vector_impl<T,N-1>(sizes,x))>(size,make_vector_impl<T,N-1>(sizes,x)); } template <typename T, std::size_t N> auto make_vector(const ll (&sizes)[N], const T& x=T()) { std::vector<ll> s(N); for(std::size_t i=0; i<N; ++i)s[i]=sizes[N-1-i]; return make_vector_impl<T,N>(s,x); } template <typename T> struct Indexer { struct iterator { ll _pos; typename T::iterator _it; iterator(typename T::iterator it): _pos(0), _it(it) {} std::pair<ll, typename std::iterator_traits<typename T::iterator>::reference> operator*() const { return {_pos, *_it}; } iterator& operator++() { ++_pos; ++_it; return *this; } iterator operator++(int) { iterator tmp(*this); ++*this; return tmp; } bool operator==(iterator const& it) const { return _it == it._it; } bool operator!=(iterator const& it) const { return !(*this == it); } }; T& _container; Indexer(T& t): _container(t) {} iterator begin() const { return iterator(_container.begin()); } iterator end() const { return iterator(_container.end()); } }; template <typename T> Indexer<T> indexer(const T& t) { return Indexer<T>(t); } #define repv(i, val, v) for(auto&& [i, val] : indexer(v)) #if __has_include(<ext/pb_ds/assoc_container.hpp>) template <typename Key, typename Mapped, typename Hash = std::hash<Key>, typename std::enable_if_t<std::is_integral_v<Key>, std::nullptr_t> = nullptr> struct fmap : public __gnu_pbds::gp_hash_table<Key, Mapped, Hash> { using __gnu_pbds::gp_hash_table<Key, Mapped, Hash>::gp_hash_table; template <typename T> fmap(std::initializer_list<std::initializer_list<T>> il) : __gnu_pbds::gp_hash_table<Key, Mapped, Hash>() { for (auto&& x : il) __gnu_pbds::gp_hash_table<Key, Mapped, Hash>::insert(std::pair<Key, Mapped>(*x.begin(), *(x.begin() + 1))); } template <typename T> ll count(const T& x) const { return __gnu_pbds::gp_hash_table<Key, Mapped, Hash>::find(x) != __gnu_pbds::gp_hash_table<Key, Mapped, Hash>::end(); } }; #else template <typename Key, typename Mapped> using fmap = std::map<Key, Mapped>; #endif /*-----8<-----template-----8<-----*/ //[lib]lazy.cpp /* 実装では木を 1-indexed の配列で表現している。 ノード k について, 親ノードは k/2, 子ノードは 2k, 2k+1 である。 LazySegmentTree(n, f, g, h, M1, OM0):= サイズ n の初期化。 f は2つの区間の要素をマージする二項演算, g は要素と作用素をマージする二項演算(第三引数は対応する区間の長さ), h は作用素同士をマージする二項演算, M1 はモノイドの単位元, M1 はモノイドの単位元, OM0 は作用素の単位元である。 set(k,x):= k 番目の要素に x を代入する。 build():= セグメント木を構築する。 query(a,b):= 区間 [a,b) に対して二項演算した結果を返す。 update(a, b, x) := 区間 [a,b) に作用素 x を適用する。 operator[k] := k 番目の要素を返す。 find_first(a, check) := [a,x) が check を満たす最初の要素位置 x を返す。見つからない場合は -1 を返す。 find_last(b, check) := [x,b) が check を満たす最後の要素位置 x を返す。見つからない場合は -1 を返す。 */ template< typename Monoid, typename OperatorMonoid, typename F , typename G , typename H > class LazySegmentTree { public: ll sz, height; vector< Monoid > data; vector< OperatorMonoid > lazy; const F f; const G g; const H h; const Monoid M1; const OperatorMonoid OM0; LazySegmentTree(ll n, const F &f, const G &g, const H &h, const Monoid &M1, const OperatorMonoid &OM0) : f(f), g(g), h(h), M1(M1), OM0(OM0) { sz = 1; height = 0; while(sz < n) sz <<= 1, height++; data.assign(2 * sz, M1); lazy.assign(2 * sz, OM0); } void set(ll k, const Monoid &x) { data[k + sz] = x; } void build() { for(ll k = sz - 1; k > 0; k--) { data[k] = f(data[2 * k + 0], data[2 * k + 1]); } } inline void propagate(ll k) { if(lazy[k] != OM0) { lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]); lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]); data[k] = reflect(k); lazy[k] = OM0; } } inline Monoid reflect(ll k) { return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]); } inline void recalc(ll k) { while(k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1)); } inline void thrust(ll k) { for(ll i = height; i > 0; i--) propagate(k >> i); } void update(ll a, ll b, const OperatorMonoid &x) { thrust(a += sz); thrust(b += sz - 1); for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) { if(l & 1) lazy[l] = h(lazy[l], x), ++l; if(r & 1) --r, lazy[r] = h(lazy[r], x); } recalc(a); recalc(b); } Monoid query(ll a, ll b) { thrust(a += sz); thrust(b += sz - 1); Monoid L = M1, R = M1; for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) { if(l & 1) L = f(L, reflect(l++)); if(r & 1) R = f(reflect(--r), R); } return f(L, R); } Monoid operator[](const ll &k) { return query(k, k + 1); } template< typename C > ll find_subtree(ll a, const C &check, Monoid &M, bool type) { while(a < sz) { propagate(a); Monoid nxt = type ? f(reflect(2 * a + type), M) : f(M, reflect(2 * a + type)); if(check(nxt)) a = 2 * a + type; else M = nxt, a = 2 * a + 1 - type; } return a - sz; } template< typename C > ll find_first(ll a, const C &check) { Monoid L = M1; if(a <= 0) { if(check(f(L, reflect(1)))) return find_subtree(1, check, L, false); return -1; } thrust(a + sz); ll b = sz; for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) { if(a & 1) { Monoid nxt = f(L, reflect(a)); if(check(nxt)) return find_subtree(a, check, L, false); L = nxt; ++a; } } return -1; } template< typename C > ll find_last(ll b, const C &check) { Monoid R = M1; if(b >= sz) { if(check(f(reflect(1), R))) return find_subtree(1, check, R, true); return -1; } thrust(b + sz - 1); ll a = sz; for(b += sz; a < b; a >>= 1, b >>= 1) { if(b & 1) { Monoid nxt = f(reflect(--b), R); if(check(nxt)) return find_subtree(b, check, R, true); R = nxt; } } return -1; } // [L, R)の範囲で関数check を満たす/満たさない境目のindexを返す // auto check = [](Monoid data){ 何かしら }; // 返却値 = 満たさない最初のindex, 返却値-L = 満たす要素数 // L が固定, たぶん R が機能していない template<typename Func> ll partitionpoint(ll L, ll R, const Func &check){ ll x = find_first(L, [&](const Monoid &data){return !check(data);}); return x==-1||x>R ? R : x; } // R が固定, たぶん L が機能していない // 返却値 = 満たさない最初のindex, R-返却値 = 満たさない要素数 template<typename Func> ll partitionpoint_rev(ll L, ll R, const Func &check){ ll x = find_last(R, [&](const Monoid &data){return check(data);}); return x==-1||x<L ? L : x+1; } }; template< typename Monoid, typename OperatorMonoid, typename F , typename G , typename H > std::ostream& operator<<(std::ostream& s, LazySegmentTree<Monoid,OperatorMonoid,F,G,H> seg) { for(ll i=0; i<seg.sz; i++) s << seg[i] << "\t\n"[i==seg.sz-1]; return s; } /*-----8<-----library-----8<-----*/ [[nodiscard]] inline ll up(ll bit, ll i) { return bit | (1LL<<i); } [[nodiscard]] inline ll down(ll bit, ll i) { return bit & ~(1LL<<i); } [[nodiscard]] inline ll flip(ll bit, ll i) { return bit ^ (1LL<<i); } inline bool isup(ll bit, ll i) { return bit & (1LL<<i); } inline bool isdown(ll bit, ll i) { return !(bit & (1LL<<i)); } inline ll bsr(ll bit){ assert(bit); return 63 - __builtin_clzll(bit); } //最上位ビットの位置 inline ll bsf(ll bit){ assert(bit); return __builtin_ctzll(bit); } //最下位ビットの位置 //numeric_limits<ll>::digits -> llのビット数の定数 //__builtin_popcountll(bit); -> bitの立っている個数を返す //__builtin_clzll(bit); -> bitの頭の0の数を返す 0のときは未定義に注意 //__builtin_ctzll(bit); -> bitのお尻の0の数を返す 0のときは未定義に注意 /* //bitの部分集合を全列挙 for (ll subbit = bit; subbit >= 0; subbit--) { subbit &= bit; //if(subbit==bit)continue; //全体集合bit自身をスキップ //if(subbit==0)continue; //空集合をスキップ debug(subbit, bit & ~subbit); // 部分集合、およびその残り } */ void solve() { ll N; cin >> N; vector<ll> a(N); rep(i, N) cin >> a[i]; vector<ll> x(64); rep(i,N){ rep(j,63){ x[j] += isup(a[i], j); } } rep(j,INF){ if(x[j]==0){ cout << (1LL << j) << endl; return; } } } signed main() { #ifndef LOCAL_DEV std::cin.tie(nullptr); std::ios::sync_with_stdio(false); #endif //ll Q; cin >> Q; while(Q--)solve(); solve(); return 0; }