結果

問題 No.493 とても長い数列と文字列(Long Long Sequence and a String)
ユーザー PachicobuePachicobue
提出日時 2017-08-13 20:04:15
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 3,670 bytes
コンパイル時間 1,661 ms
コンパイル使用メモリ 175,132 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-10-13 09:14:32
合計ジャッジ時間 4,283 ms
ジャッジサーバーID
(参考情報)
judge3 / 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
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testcase_01 AC 2 ms
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testcase_02 AC 2 ms
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testcase_03 AC 2 ms
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testcase_04 AC 2 ms
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testcase_05 AC 2 ms
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testcase_06 AC 1 ms
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testcase_07 AC 2 ms
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testcase_08 AC 1 ms
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testcase_09 AC 2 ms
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testcase_10 AC 2 ms
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testcase_11 AC 2 ms
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testcase_12 AC 2 ms
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testcase_13 AC 2 ms
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testcase_14 AC 2 ms
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testcase_15 AC 2 ms
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testcase_16 AC 2 ms
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testcase_17 AC 2 ms
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testcase_18 AC 2 ms
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testcase_19 AC 2 ms
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testcase_20 AC 2 ms
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testcase_21 AC 2 ms
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testcase_22 AC 2 ms
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testcase_23 AC 2 ms
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testcase_24 AC 2 ms
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testcase_25 AC 2 ms
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testcase_26 AC 1 ms
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testcase_27 AC 2 ms
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testcase_28 AC 2 ms
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testcase_29 AC 2 ms
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testcase_30 AC 2 ms
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testcase_31 AC 2 ms
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testcase_32 AC 2 ms
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testcase_33 AC 2 ms
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testcase_34 AC 2 ms
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testcase_35 AC 2 ms
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testcase_36 AC 2 ms
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testcase_37 AC 2 ms
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testcase_38 AC 2 ms
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testcase_39 AC 2 ms
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testcase_40 AC 2 ms
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testcase_41 AC 2 ms
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testcase_42 AC 1 ms
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testcase_43 AC 1 ms
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testcase_44 AC 2 ms
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testcase_45 AC 2 ms
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testcase_46 AC 2 ms
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testcase_47 AC 2 ms
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testcase_48 AC 2 ms
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testcase_49 AC 2 ms
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testcase_50 AC 2 ms
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testcase_51 AC 2 ms
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testcase_52 AC 2 ms
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testcase_53 AC 2 ms
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testcase_54 AC 2 ms
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testcase_55 AC 2 ms
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testcase_56 AC 2 ms
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testcase_57 AC 1 ms
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testcase_58 AC 2 ms
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testcase_59 WA -
testcase_60 WA -
testcase_61 WA -
testcase_62 WA -
testcase_63 WA -
testcase_64 WA -
testcase_65 WA -
testcase_66 WA -
testcase_67 WA -
testcase_68 WA -
testcase_69 WA -
testcase_70 WA -
testcase_71 WA -
testcase_72 WA -
testcase_73 WA -
testcase_74 WA -
testcase_75 WA -
testcase_76 WA -
testcase_77 WA -
testcase_78 WA -
testcase_79 WA -
testcase_80 WA -
testcase_81 WA -
testcase_82 WA -
testcase_83 WA -
testcase_84 WA -
testcase_85 WA -
testcase_86 WA -
testcase_87 WA -
testcase_88 WA -
testcase_89 WA -
testcase_90 WA -
testcase_91 WA -
testcase_92 WA -
testcase_93 WA -
testcase_94 WA -
testcase_95 WA -
testcase_96 WA -
testcase_97 WA -
testcase_98 WA -
testcase_99 WA -
testcase_100 WA -
testcase_101 WA -
testcase_102 WA -
testcase_103 WA -
testcase_104 WA -
testcase_105 WA -
testcase_106 WA -
testcase_107 WA -
testcase_108 WA -
testcase_109 WA -
testcase_110 WA -
testcase_111 WA -
testcase_112 WA -
testcase_113 WA -
testcase_114 AC 1 ms
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testcase_115 AC 2 ms
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testcase_116 AC 2 ms
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testcase_117 AC 2 ms
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testcase_118 AC 2 ms
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ソースコード

diff #

// {{{ Templates
#include <bits/stdc++.h>

#define show(x) cerr << #x << " = " << x << endl

using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;

template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v)
{
    os << "sz:" << v.size() << "\n[";
    for (const auto& p : v) {
        os << p << ",";
    }
    os << "]\n";
    return os;
}

template <typename S, typename T>
ostream& operator<<(ostream& os, const pair<S, T>& p)
{
    os << "(" << p.first << "," << p.second
       << ")";
    return os;
}


constexpr ll MOD = (ll)1e9 + 7LL;

template <typename T>
constexpr T INF = numeric_limits<T>::max() / 100;

// }}}

using pll = pair<ll, ll>;

inline ll convert(const char c)
{
    return c == '0' ? 10 : c - '0';
}

inline pll calcst(const string& s, const ll l, const ll r)
{
    assert(0 <= l);
    assert(l < r);
    assert(r <= s.size());
    ll sum = 0;
    ll prod = 1;
    for (ll i = l; i < r; i++) {
        const char c = s[i];
        sum = (sum + convert(c)) % MOD;
        prod = (prod * convert(c)) % MOD;
    }
    return make_pair(sum, prod);
}

pll rec(const ll n, const ll l, const ll r, const vector<ll>& length, const vector<pll>& calced)  // f(n)の[L,R)の(和,積)
{
    assert(l >= 0);
    assert(l < r);
    if (n == 0) {
        return make_pair(0, 1);
    }
    if (l == 0 and r == length[n]) {
        return calced[n];
    } else {
        const string intst = to_string(n * n);
        const ll interval = intst.size();
        const ll half = (length[n] - interval) / 2;
        pll ret = make_pair(0, 1);
        if (l < half) {
            const pll p = rec(n - 1, l, min(r, half), length, calced);
            ret.first = (ret.first + p.first) % MOD;
            ret.second = (ret.second * p.second) % MOD;
        }
        if (r > half + interval) {
            const pll p = rec(n - 1, max(l - half - interval, 0LL), r - half - interval, length, calced);
            ret.first = (ret.first + p.first) % MOD;
            ret.second = (ret.second * p.second) % MOD;
        }
        if (r > half and l < half + interval) {
            const pll p = calcst(intst, max(l - half, 0LL), min(interval, r - half));
            ret.first = (ret.first + p.first) % MOD;
            ret.second = (ret.second * p.second) % MOD;
        }
        return ret;
    }
}

inline pll cal(const string& s)
{
    ll sum = 0;
    ll prod = 1;
    for (const char c : s) {
        sum += convert(c);
        sum = sum % MOD;
        prod *= convert(c);
        prod = prod % MOD;
    }
    return make_pair(sum, prod);
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    ll k, l, r;
    cin >> k >> l >> r;
    l--, r--;

    constexpr ll STOP = (ll)1e18;
    vector<ll> length(1, 0);
    ll len = 0;
    for (ll i = 1;; i++) {
        len = len * 2 + (ll)log10(i * i) + 1;
        length.push_back(len);
        if (len > STOP) {
            break;
        }
    }
    const int size = length.size();
    if (k >= size) {
        k = size - 1;
    }
    vector<pll> calced(size, make_pair(0, 1));
    for (int i = 1; i < size; i++) {
        const string s = to_string(i * i);
        const pll p = cal(s);
        calced[i].first = calced[i - 1].first * 2 + p.first;
        calced[i].second = ((calced[i - 1].second * calced[i - 1].second) % MOD) * p.second;
        calced[i].first = calced[i].first % MOD;
        calced[i].second = calced[i].second % MOD;
    }

    if (length[k] <= r) {
        cout << -1 << endl;
        return 0;
    }
    const pll ans = rec(k, l, r + 1, length, calced);
    cout << ans.first << " " << ans.second << endl;
    return 0;
}
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