結果

問題 No.2844 Birthday Party Decoration
ユーザー siganaisiganai
提出日時 2024-08-23 21:43:35
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 6 ms / 2,000 ms
コード長 6,322 bytes
コンパイル時間 2,346 ms
コンパイル使用メモリ 213,664 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-08-23 21:43:38
合計ジャッジ時間 3,040 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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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
6,816 KB
testcase_01 AC 6 ms
6,940 KB
testcase_02 AC 6 ms
6,940 KB
testcase_03 AC 6 ms
6,944 KB
testcase_04 AC 6 ms
6,944 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 # 

#include<bits/stdc++.h>
using namespace std;
// #pragma GCC target("avx,avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#ifdef LOCAL
#include <debug.hpp>
#define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (static_cast<void>(0))
#endif
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pll = pair<ll,ll>;
using pii = pair<int,int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vul = vector<ull>;
using vpii = vector<pii>;
using vvpii = vector<vpii>;
using vpll = vector<pll>;
using vs = vector<string>;
template<class T> using pq = priority_queue<T,vector<T>, greater<T>>;
#define overload4(_1, _2, _3, _4, name, ...) name
#define overload3(a,b,c,name,...) name
#define rep1(n) for (ll UNUSED_NUMBER = 0; UNUSED_NUMBER < (n); ++UNUSED_NUMBER)
#define rep2(i, n) for (ll i = 0; i < (n); ++i)
#define rep3(i, a, b) for (ll i = (a); i < (b); ++i)
#define rep4(i, a, b, c) for (ll i = (a); i < (b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define rrep1(n) for(ll i = (n) - 1;i >= 0;i--)
#define rrep2(i,n) for(ll i = (n) - 1;i >= 0;i--)
#define rrep3(i,a,b) for(ll i = (b) - 1;i >= (a);i--)
#define rrep4(i,a,b,c) for(ll i = (a) + ((b)-(a)-1) / (c) * (c);i >= (a);i -= c)
#define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__)
#define all1(i) begin(i) , end(i)
#define all2(i,a) begin(i) , begin(i) + a
#define all3(i,a,b) begin(i) + a , begin(i) + b
#define all(...) overload3(__VA_ARGS__, all3, all2, all1)(__VA_ARGS__)
#define sum(...) accumulate(all(__VA_ARGS__),0LL)
template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; }
template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; }
template<class T> auto min(const T& a){return *min_element(all(a));}
template<class T> auto max(const T& a){return *max_element(all(a));}
template<class... Ts> void in(Ts&... t);
#define INT(...) int __VA_ARGS__; in(__VA_ARGS__)
#define LL(...) ll __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, size) vector<type> name(size); in(name)
#define VV(type, name, h, w) vector<vector<type>> name(h, vector<type>(w)); in(name)
ll intpow(ll a, ll b){ll ans = 1; while(b){if(b & 1) ans *= a; a *= a; b /= 2;} return ans;}
ll modpow(ll a, ll b, ll p){ ll ans = 1; a %= p;if(a < 0) a += p;while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }
bool is_clamp(ll val,ll low,ll high) {return low <= val && val < high;}
void Yes() {cout << "Yes\n";return;}
void No() {cout << "No\n";return;}
void YES() {cout << "YES\n";return;}
void NO() {cout << "NO\n";return;}
template <typename T>
T floor(T a, T b) {return a / b - (a % b && (a ^ b) < 0);}
template <typename T>
T ceil(T x, T y) {return floor(x + y - 1, y);}
template <typename T>
T bmod(T x, T y) {return x - y * floor(x, y);}
template <typename T>
pair<T, T> divmod(T x, T y) {T q = floor(x, y);return {q, x - q * y};}
namespace IO{
#define VOID(a) decltype(void(a))
struct setting{ setting(){cin.tie(nullptr); ios::sync_with_stdio(false);fixed(cout); cout.precision(15);}} setting;
template<int I> struct P : P<I-1>{};
template<> struct P<0>{};
template<class T> void i(T& t){ i(t, P<3>{}); }
void i(vector<bool>::reference t, P<3>){ int a; i(a); t = a; }
template<class T> auto i(T& t, P<2>) -> VOID(cin >> t){ cin >> t; }
template<class T> auto i(T& t, P<1>) -> VOID(begin(t)){ for(auto&& x : t) i(x); }
template<class T, size_t... idx> void ituple(T& t, index_sequence<idx...>){in(get<idx>(t)...);}
template<class T> auto i(T& t, P<0>) -> VOID(tuple_size<T>{}){ituple(t, make_index_sequence<tuple_size<T>::value>{});} 
#undef VOID
}
#define unpack(a) (void)initializer_list<int>{(a, 0)...}
template<class... Ts> void in(Ts&... t){ unpack(IO :: i(t)); }
#undef unpack
constexpr long double PI = 3.141592653589793238462643383279L;
template <class F> struct REC {
    F f;
    REC(F &&f_) : f(forward<F>(f_)) {}
    template <class... Args> auto operator()(Args &&...args) const { return f(*this, forward<Args>(args)...); }};

//constexpr int mod = 998244353;
constexpr int mod = 1000000007;
void solve() {
    INT(n);
    LL(x);
    VEC(int,a,n);
    ll ans = 9e18;
    ll MX = 0;
    vpll D;
    rep(i,n) {
        if(~x >> a[i] & 1) {
            assert((x >> a[i] & 1) == 0);
            ll tmp1 = 4e18,tmp2 = 4e18;
            if(x > (1LL << a[i])) {
                ll y = x;
                rep(j,a[i]+1,60) {
                    if(y >> j & 1) {
                        y -= 1LL << j;
                        y |= (1LL << j) - 1;
                        break;
                    }
                }
                assert(x > y);
                assert(y >> a[i] & 1);
                chmin(tmp1,x - y);
            }
            {
                ll y = x;
                y |= (1LL << a[i]) - 1;
                y ^= (1LL << a[i]) - 1;
                y ^= 1LL << a[i];
                chmin(tmp2,y - x);
                assert(y >> a[i] & 1);
                assert(y > x);
            }   
            D.emplace_back(tmp2,tmp1);
        }
        else assert(x >> a[i] & 1);
    }
    sort(all(D));
    if(D.empty()) {
        chmin(ans,0LL);
    }
    rep(i,D.size()) {
        ll M1 = D[i].first;
        ll M2 = 0;
        rep(j,i+1,D.size()) {
            assert(D[j].first >= D[i].first);
            if(D[j].first > D[i].first) {
                chmax(M2,D[j].second);
            }
        }
        chmin(ans,2 * (M1 + M2));
        swap(D[i].first,D[i].second);
    }
    sort(all(D));
    rep(i,D.size()) {
        ll M1 = D[i].first;
        ll M2 = 0;
        rep(j,i+1,D.size()) {
            assert(D[j].first >= D[i].first);
            if(D[j].first > D[i].first) {
                chmax(M2,D[j].second);
            }
        }
        chmin(ans,2 * (M1 + M2));
    }
    cout << ans << '\n';
}
int main() {
    INT(TT);
    while(TT--) solve();
}
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