#506602 (C++14) No.1106 🦉 何事もバランスが大事

• 問題: No.1106 🦉 何事もバランスが大事
• ユーザー: fine
• 提出日時: 2020-07-03 23:27:22
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 2 ms / 2,000 ms
• コード長: 3,616 bytes
• コンパイル時間: 1,948 ms
• コンパイル使用メモリ: 179,596 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-09-17 05:02:19
• 合計ジャッジ時間: 3,559 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

ファイルパターン	結果
sample	AC * 5
other	AC * 77

ソースコード

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
constexpr char newl = '\n';
constexpr int geta = 150;
vector<int> convert(ll n) {
    vector<int> res;
    bool f = false;
    while (n > 0) {
        int d = n % 5 + f;
        f = (d > 2);
        res.push_back((d <= 2 ? d : d - 5));
        n /= 5;
    }
    if (f) res.push_back(1);
    reverse(res.begin(), res.end());
    return res;
}
int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    ll n;
    cin >> n;
    vector<int> v = convert(n);
    int sz = v.size();
    /*
    for (int i = 0; i < sz; i++) {
        cerr << v[i] << " ";
    }
    cerr << endl;//*/
    vector< vector< vector<ll> > > dp(2, vector< vector<ll> >(2, vector<ll>(geta * 2 + 1, 0)));
    dp[false][false][geta] = 1;
    for (int i = 0; i < sz; i++) {
        vector< vector< vector<ll> > > ndp(2, vector< vector<ll> >(2, vector<ll>(geta * 2 + 1, 0)));
        for (int j = -geta; j <= geta; j++) {
            if (dp[false][false][j + geta]) {
                //cerr << i << " " << false << " " << false << " " << j << " " << dp[false][false][j + geta] << newl;
                for (int k = 0; k <= v[i]; k++) {
                    if (j + k <= geta) ndp[k < v[i]][k > 0][j + geta + k] += dp[false][false][j + geta];
                }
            }
            if (dp[false][true][j + geta]) {
                //cerr << i << " " << false << " " << true << " " << j << " " << dp[false][true][j + geta] << newl;
                for (int k = -2; k <= v[i]; k++) {
                    if (j + k >= -geta && j + k <= geta) ndp[k < v[i]][true][j + geta + k] += dp[false][true][j + geta];
                }
            }
            if (dp[true][false][j + geta]) {
                //cerr << i << " " << true << " " << false << " " << j << " " << dp[true][false][j + geta] << newl;
                ndp[true][false][j + geta] += dp[true][false][j + geta];
                if (j + 1 <= geta) ndp[true][true][j + geta + 1] += dp[true][false][j + geta];
                if (j + 2 <= geta) ndp[true][true][j + geta + 2] += dp[true][false][j + geta];
            }
            if (dp[true][true][j + geta]) {
                //cerr << i << " " << true << " " << true << " " << j << " " << dp[true][true][j + geta] << newl;
                if (j - 1 >= -geta) ndp[true][true][j + geta - 1] += dp[true][true][j + geta];
                if (j - 2 >= -geta) ndp[true][true][j + geta - 2] += dp[true][true][j + geta];
                ndp[true][true][j + geta] += dp[true][true][j + geta];
                if (j + 1 <= geta) ndp[true][true][j + geta + 1] += dp[true][true][j + geta];
                if (j + 2 <= geta) ndp[true][true][j + geta + 2] += dp[true][true][j + geta];
            }
        }
        dp = move(ndp);
    }
    /*
    int i = sz;
    for (int j = -geta; j <= geta; j++) {
        if (dp[false][false][j + geta]) {
            cerr << i << " " << false << " " << false << " " << j << " " << dp[false][false][j + geta] << newl;
        }
        if (dp[false][true][j + geta]) {
            cerr << i << " " << false << " " << true << " " << j << " " << dp[false][true][j + geta] << newl;
        }
        if (dp[true][false][j + geta]) {
            cerr << i << " " << true << " " << false << " " << j << " " << dp[true][false][j + geta] << newl;
        }
        if (dp[true][true][j + geta]) {
            cerr << i << " " << true << " " << true << " " << j << " " << dp[true][true][j + geta] << newl;
        }
    }//*/
    ll ans = dp[false][true][geta] + dp[true][true][geta];
    cout << ans << newl;
    return 0;
}
 
 
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