結果

問題 No.2024 Xer
ユーザー oteraotera
提出日時 2022-07-29 22:07:58
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 194 ms / 2,000 ms
コード長 5,944 bytes
コンパイル時間 2,249 ms
コンパイル使用メモリ 203,932 KB
実行使用メモリ 27,064 KB
最終ジャッジ日時 2023-09-26 21:09:15
合計ジャッジ時間 6,487 ms
ジャッジサーバーID
(参考情報)
judge13 / judge15
このコードへのチャレンジ(β)

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
4,384 KB
testcase_01 AC 1 ms
4,380 KB
testcase_02 AC 2 ms
4,376 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 1 ms
4,380 KB
testcase_05 AC 2 ms
4,380 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 121 ms
27,064 KB
testcase_08 AC 154 ms
11,456 KB
testcase_09 AC 81 ms
8,468 KB
testcase_10 AC 130 ms
8,256 KB
testcase_11 AC 68 ms
4,960 KB
testcase_12 AC 118 ms
6,648 KB
testcase_13 AC 125 ms
6,660 KB
testcase_14 AC 126 ms
8,016 KB
testcase_15 AC 84 ms
5,628 KB
testcase_16 AC 95 ms
6,792 KB
testcase_17 AC 67 ms
6,036 KB
testcase_18 AC 70 ms
4,932 KB
testcase_19 AC 142 ms
7,960 KB
testcase_20 AC 114 ms
6,860 KB
testcase_21 AC 169 ms
8,312 KB
testcase_22 AC 194 ms
8,116 KB
testcase_23 AC 183 ms
8,108 KB
testcase_24 AC 156 ms
8,188 KB
testcase_25 AC 3 ms
4,376 KB
testcase_26 AC 5 ms
4,376 KB
testcase_27 AC 4 ms
4,380 KB
testcase_28 AC 3 ms
4,380 KB
testcase_29 AC 3 ms
4,380 KB
testcase_30 AC 5 ms
4,384 KB
testcase_31 AC 7 ms
4,380 KB
testcase_32 AC 6 ms
4,380 KB
testcase_33 AC 4 ms
4,380 KB
testcase_34 AC 3 ms
4,380 KB
testcase_35 AC 1 ms
4,380 KB
testcase_36 AC 5 ms
4,384 KB
testcase_37 AC 6 ms
4,376 KB
testcase_38 AC 7 ms
4,380 KB
testcase_39 AC 2 ms
4,376 KB
testcase_40 AC 2 ms
4,380 KB
testcase_41 AC 4 ms
4,380 KB
testcase_42 AC 5 ms
4,380 KB
testcase_43 AC 4 ms
4,380 KB
testcase_44 AC 5 ms
4,380 KB
testcase_45 AC 44 ms
4,504 KB
testcase_46 AC 11 ms
4,380 KB
testcase_47 AC 33 ms
4,384 KB
testcase_48 AC 2 ms
4,380 KB
testcase_49 AC 1 ms
4,376 KB
testcase_50 AC 1 ms
4,376 KB
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 #

/**
 *    author:  otera
**/
#include<bits/stdc++.h>
using namespace std;

#define int long long

using ll = long long;
using ld = long double;
using ull = unsigned long long;
using int128_t = __int128_t;
#define repa(i, n) for(int i = 0; i < n; ++ i)
#define repb(i, a, b) for(int i = a; i < b; ++ i)
#define repc(i, a, b, c) for(int i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define overload3(a, b, c, d, ...) d
#define rep(...) overload4(__VA_ARGS__, repc, repb, repa)(__VA_ARGS__)
#define rep1a(i, n) for(int i = 0; i <= n; ++ i)
#define rep1b(i, a, b) for(int i = a; i <= b; ++ i)
#define rep1c(i, a, b, c) for(int i = a; i <= b; i += c)
#define rep1(...) overload4(__VA_ARGS__, rep1c, rep1b, rep1a)(__VA_ARGS__)
#define rev_repa(i, n) for(int i=n-1;i>=0;i--)
#define rev_repb(i, a, b) assert(a > b);for(int i=a;i>b;i--)
#define rev_rep(...) overload3(__VA_ARGS__, rev_repb, rev_repa)(__VA_ARGS__)
#define rev_rep1a(i, n) for(int i=n;i>=1;i--)
#define rev_rep1b(i, a, b) assert(a >= b);for(int i=a;i>=b;i--)
#define rev_rep1(...) overload3(__VA_ARGS__, rev_rep1b, rev_rep1a)(__VA_ARGS__)
typedef pair<int, int> P;
typedef pair<ll, ll> LP;
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define eb emplace_back
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define rall(c) c.rbegin(), c.rend()
#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define Sort(a) sort(all(a))
#define Rev(a) reverse(all(a))
#define Uniq(a) sort(all(a));a.erase(unique(all(a)),end(a))
#define si(c) (int)(c).size()
inline ll popcnt(ull a){ return __builtin_popcountll(a); }
#define kth_bit(x, k) ((x>>k)&1)
#define unless(A) if(!(A))
ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }
ll intpow(ll a, ll b, ll m) {ll ans = 1; while(b){ if(b & 1) (ans *= a) %= m; (a *= a) %= m; b /= 2; } return ans; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;in(__VA_ARGS__)
#define vec(type,name,...) vector<type>name(__VA_ARGS__)
#define VEC(type,name,size) vector<type>name(size);in(name)
#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))
#define VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name)
#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))
template <class T> using vc = vector<T>;
template <class T> using vvc = vector<vc<T>>;
template <class T> using vvvc = vector<vvc<T>>;
template <class T> using vvvvc = vector<vvvc<T>>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
template <class T, class U> using umap = unordered_map<T, U>;
template<class T> void scan(T& a){ cin >> a; }
template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }
void print(){ cout << ' '; }
template<class T> void print(const T& a){ cout << a; }
template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout << ' '; print(*i); } }
int out(){ cout << '\n'; return 0; }
template<class T> int out(const T& t){ print(t); cout << '\n'; return 0; }
template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); cout << ' '; out(tail...); return 0; }
#define CHOOSE(a) CHOOSE2 a
#define CHOOSE2(a0,a1,a2,a3,a4,x,...) x
#define debug_1(x1) cout<<#x1<<": "<<x1<<endl
#define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl
#define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl
#define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl
#define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl
#ifdef DEBUG
#define debug(...) CHOOSE((__VA_ARGS__,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__)
#define dump(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }
#else
#define debug(...)
#define dump(...)
#endif

struct io_setup {
    io_setup(int precision = 20) {
        ios::sync_with_stdio(false);
        cin.tie(0);
        cout << fixed << setprecision(precision);
    }
} io_setup_ {};

void solve() {
    INT(n, x);
    VEC(int, a, n);
    bool ok = 1;
    auto rec = [&](auto&&rec, vc<int> &v, int bit) {
        int sz = si(v);
        if(bit < 0) {
            if(sz > 1) ok = 0;
            return;
        }
        if(x & (1<<bit)) {
            rec(rec, v, bit - 1);
            rep(i, sz - 1) {
                unless(v[i] < (v[i + 1] ^ x) and (v[i] ^ x) < v[i + 1]) {
                    ok = 0;
                }
            }
        } else {
            vc<int> v0, v1;
            rep(i, sz) {
                if(v[i] & (1<<bit)) v1.eb(v[i]);
                else v0.eb(v[i]);
            }
            if(si(v0)) rec(rec, v0, bit - 1);
            if(si(v1)) rec(rec, v1, bit - 1);
            v.clear();
            rep(i, si(v0)) v.eb(v0[i]);
            rep(i, si(v1)) v.eb(v1[i]);
        }
    };
    rec(rec, a, 29);
    if(!ok) out("No");
    else out("Yes");
}

signed main() {
    int testcase = 1;
    // in(testcase);
    while(testcase--) solve();
    return 0;
}
0