結果

問題 No.911 ラッキーソート
ユーザー knshnbknshnb
提出日時 2019-10-19 13:23:38
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 50 ms / 2,000 ms
コード長 4,105 bytes
コンパイル時間 3,003 ms
コンパイル使用メモリ 201,112 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-27 02:09:57
合計ジャッジ時間 5,867 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
(要ログイン)

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
6,812 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 2 ms
6,940 KB
testcase_09 AC 2 ms
6,940 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,940 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 46 ms
6,940 KB
testcase_14 AC 47 ms
6,940 KB
testcase_15 AC 48 ms
6,944 KB
testcase_16 AC 48 ms
6,944 KB
testcase_17 AC 47 ms
6,944 KB
testcase_18 AC 47 ms
6,940 KB
testcase_19 AC 48 ms
6,940 KB
testcase_20 AC 48 ms
6,940 KB
testcase_21 AC 50 ms
6,944 KB
testcase_22 AC 49 ms
6,944 KB
testcase_23 AC 45 ms
6,940 KB
testcase_24 AC 42 ms
6,944 KB
testcase_25 AC 29 ms
6,944 KB
testcase_26 AC 20 ms
6,940 KB
testcase_27 AC 12 ms
6,944 KB
testcase_28 AC 6 ms
6,940 KB
testcase_29 AC 3 ms
6,940 KB
testcase_30 AC 2 ms
6,940 KB
testcase_31 AC 2 ms
6,944 KB
testcase_32 AC 2 ms
6,944 KB
testcase_33 AC 2 ms
6,940 KB
testcase_34 AC 2 ms
6,940 KB
testcase_35 AC 2 ms
6,940 KB
testcase_36 AC 2 ms
6,940 KB
testcase_37 AC 2 ms
6,940 KB
testcase_38 AC 47 ms
6,940 KB
testcase_39 AC 47 ms
6,944 KB
testcase_40 AC 3 ms
6,944 KB
testcase_41 AC 47 ms
6,944 KB
testcase_42 AC 32 ms
6,944 KB
testcase_43 AC 47 ms
6,944 KB
testcase_44 AC 46 ms
6,940 KB
testcase_45 AC 48 ms
6,944 KB
testcase_46 AC 48 ms
6,940 KB
testcase_47 AC 46 ms
6,944 KB
testcase_48 AC 47 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>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T> using treap = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using Int = long long;
#define REP(i, n) for (long long i = 0, max_i = (n); i < max_i; i++)
#define REPI(i, a, b) for (long long i = (a), max_i = (b); i < max_i; i++)
#define ALL(obj) begin(obj), end(obj)
#define RALL(obj) rbegin(obj), rend(obj)
#define fi first
#define se second
using ii = pair<Int, Int>;
vector<ii> dirs = {
    {1, 0}, {0, 1}, {-1, 0}, {0, -1},  // 4方向
    {1, 1}, {-1, 1}, {-1, -1}, {1, -1},  // 斜め
    {0, 0},  // 自身
};
Int get_msb(long long x) {
    assert(x != 0);
    return 63 - __builtin_clzll(x);
}
Int get_lsb(long long x) {
    assert(x != 0);
    return __builtin_ctzll(x);
}
template <class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } return false; }
template <class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; } return false; }
template <class T, class S> vector<T> make_vec(size_t n, S x) { return vector<T>(n, x); }
template <class T, class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(n, make_vec<T>(ts...)); }

// debug
template <class T> ostream& operator<<(ostream& s, const vector<T>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : " "); return s; }
template <class T> ostream& operator<<(ostream& s, const vector<vector<T>>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : "\n"); return s; }
template <class T, class S> ostream& operator<<(ostream& s, const pair<T, S>& p) { s << "{" << p.first << ", " << p.second << "}"; return s; }
template <class T> ostream& operator<<(ostream& s, const set<T> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
template <class T> ostream& operator<<(ostream& s, const multiset<T> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
template <class T, class S> ostream& operator<<(ostream& s, const map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
template <class T, class S> ostream& operator<<(ostream& s, const unordered_map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; }
#ifdef _MY_DEBUG
    #define dump(...) cerr << "/* " << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << endl, dump_func(__VA_ARGS__), cerr << "*/\n\n";
#else
    #define dump(...)
    #define endl "\n"
#endif
void dump_func() { cerr << endl; }
template <class Head, class... Tail> void dump_func(Head&& h, Tail&&... t) { cerr << h << (sizeof...(Tail) == 0 ? "" : ", "), dump_func(forward<Tail>(t)...); }

struct Fast { Fast() { cin.tie(nullptr); ios::sync_with_stdio(false); } } fast;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
constexpr Int MOD = 1000000007;
// *************** TEMPLATE END *************** 

constexpr Int K = 62;
signed main() {
    Int n, L, R; cin >> n >> L >> R;
    vector<Int> a(n); REP (i, n) cin >> a[i];
    auto can = make_vec<bool>(K, 2, true);
    REP (i, n - 1) {
        for (Int k = K - 1; k >= 0; k--) {
            Int s = a[i] >> k & 1, t = a[i + 1] >> k & 1;
            if (s != t) {
                can[k][!s] = false;
                break;
            }
        }
    }
    auto calc = [&](Int lim) -> Int {
        auto dp = make_vec<Int>(K + 1, 2, 0);
        dp[K][0] = 1;
        for (Int k = K - 1; k >= 0; k--) {
            Int lim_bit = lim >> k & 1;
            REP (x, 2) {
                REP (d, (x ? 1 : lim_bit) + 1) {
                    dp[k][x || d < lim_bit] += dp[k + 1][x] * can[k][d];
                }
            }
        }
        return accumulate(ALL(dp[0]), 0LL);
    };
    Int ans = calc(R);
    if (L) ans -= calc(L - 1);
    cout << ans << endl;
}
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