結果

問題 No.2926 Botaoshi
ユーザー porkleoiporkleoi
提出日時 2024-10-12 15:15:47
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 21 ms / 2,000 ms
コード長 5,721 bytes
コンパイル時間 3,096 ms
コンパイル使用メモリ 250,660 KB
実行使用メモリ 14,476 KB
最終ジャッジ日時 2024-10-12 15:15:53
合計ジャッジ時間 4,236 ms
ジャッジサーバーID
(参考情報)
judge2 / judge
このコードへのチャレンジ
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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
6,820 KB
testcase_01 AC 1 ms
6,820 KB
testcase_02 AC 2 ms
6,816 KB
testcase_03 AC 2 ms
6,820 KB
testcase_04 AC 1 ms
6,816 KB
testcase_05 AC 2 ms
6,816 KB
testcase_06 AC 1 ms
6,820 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 2 ms
6,816 KB
testcase_09 AC 2 ms
6,816 KB
testcase_10 AC 2 ms
6,820 KB
testcase_11 AC 2 ms
6,816 KB
testcase_12 AC 21 ms
14,452 KB
testcase_13 AC 20 ms
14,032 KB
testcase_14 AC 19 ms
14,152 KB
testcase_15 AC 2 ms
6,820 KB
testcase_16 AC 16 ms
11,008 KB
testcase_17 AC 18 ms
13,000 KB
testcase_18 AC 5 ms
6,820 KB
testcase_19 AC 13 ms
9,536 KB
testcase_20 AC 7 ms
6,820 KB
testcase_21 AC 12 ms
8,192 KB
testcase_22 AC 13 ms
9,300 KB
testcase_23 AC 4 ms
6,820 KB
testcase_24 AC 14 ms
10,184 KB
testcase_25 AC 5 ms
6,816 KB
testcase_26 AC 17 ms
11,732 KB
testcase_27 AC 12 ms
8,576 KB
testcase_28 AC 4 ms
6,816 KB
testcase_29 AC 3 ms
6,816 KB
testcase_30 AC 7 ms
6,820 KB
testcase_31 AC 5 ms
6,816 KB
testcase_32 AC 10 ms
6,912 KB
testcase_33 AC 16 ms
11,176 KB
testcase_34 AC 15 ms
9,944 KB
testcase_35 AC 2 ms
6,816 KB
testcase_36 AC 21 ms
14,292 KB
testcase_37 AC 21 ms
14,428 KB
testcase_38 AC 20 ms
14,336 KB
testcase_39 AC 21 ms
14,288 KB
testcase_40 AC 19 ms
14,344 KB
testcase_41 AC 21 ms
14,384 KB
testcase_42 AC 21 ms
14,404 KB
testcase_43 AC 20 ms
14,476 KB
testcase_44 AC 21 ms
13,912 KB
testcase_45 AC 21 ms
13,876 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;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define rep2(i, s, n) for (ll i = s; i <= (ll)(n); i++)
#define rep3(i, s, n, d) for (ll i = s; i <= (ll)(n); i += d)
#define rep4(i, s, n, d) for (ll i = s; i >= (ll)(n); i += d)
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef vector<string> vs;
typedef vector<vs> vvs;
typedef vector<vvs> vvvs;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<vvc> vvvc;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<vvll> vvvll;
typedef vector<vvvll> vvvvll;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<vvd> vvvd;
typedef vector<ld> vld;
typedef vector<vld> vvld;
typedef vector<vvld> vvvld;
typedef vector<bool> vb;
typedef vector<vd> vvb;
typedef vector<vvd> vvvb;
typedef vector<pair<int, int>> vpi;
typedef vector<pair<ll, ll>> vpll;
typedef pair<int, int> pi;
typedef vector<pi> vpi;
typedef vector<vpi> vvpi;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
typedef vector<vpll> vvpll;
typedef tuple<int, int, int> tui3;
typedef tuple<ll, ll, ll> tull3;
typedef priority_queue<int, vector<int>, greater<int>> pqi;
typedef priority_queue<vi, vector<vi>, greater<vi>> pqvi;
typedef priority_queue<ll, vector<ll>, greater<ll>> pqll;
typedef priority_queue<vll, vector<vll>, greater<vll>> pqvll;
typedef priority_queue<pll, vector<pll>, greater<pll>> pqpll;
typedef priority_queue<pll, vector<pll>, less<pll>> rpqpll;
typedef priority_queue<int, vector<int>, less<int>> rpqi;
typedef priority_queue<vi, vector<vi>, less<vi>> rpqvi;
typedef priority_queue<tui3, vector<tui3>, greater<tui3>> pqtui3;
typedef priority_queue<tui3, vector<tui3>, less<tui3>> rpqtui3;
typedef priority_queue<tull3, vector<tull3>, greater<tull3>> pqtull3;
typedef priority_queue<tull3, vector<tull3>, less<tull3>> rpqtull3;
#define yes(ans) if(ans)cout << "yes"<< endl; else cout << "no" << endl
#define Yes(ans) if(ans)cout << "Yes"<< endl; else cout << "No" << endl
#define YES(ans) if(ans)cout << "YES"<< endl ;else cout << "NO" << endl
#define printv(vec) {rep(i, vec.size()) cout << vec[i] << ' '; cout << endl;}
#define printvv(vec) rep(i, vec.size()) {rep(j, vec[i].size()) cout << vec[i][j] << ' '; cout << endl;};
#define printvvv(vec) rep(i, vec.size()) { rep(j, vec[i].size()) { rep(k, vec[i][j].size()) cout << vec[i][j][k] << ' '; cout << "	"; }cout << endl; };
#define all1(x) x.begin(),x.end()
#define all2(x) x.rbegin(), x.rend()
#define so(x) sort(all1(x))
#define re(x) reverse(all1(x))
#define rso(x) sort(all2(x))
#define vco(x, a) count(all1(x), a)
#define per(x) next_permutation(all1(x))
#define iINF 2147483647
#define llINF 9223372036854775807
#define INF 4000000000000000000
#define mod 998244353
#define mod2 1000000007
template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;}
template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;}

template<int MOD> struct Fp {
    long long val;
    constexpr Fp(long long v = 0) noexcept : val(v % MOD) {
        if (val < 0) val += MOD;
    }
    constexpr int getmod() { return MOD; }
    constexpr Fp operator - () const noexcept {
        return val ? MOD - val : 0;
    }
    constexpr Fp operator + (const Fp& r) const noexcept { return Fp(*this) += r; }
    constexpr Fp operator - (const Fp& r) const noexcept { return Fp(*this) -= r; }
    constexpr Fp operator * (const Fp& r) const noexcept { return Fp(*this) *= r; }
    constexpr Fp operator / (const Fp& r) const noexcept { return Fp(*this) /= r; }
    constexpr Fp& operator += (const Fp& r) noexcept {
        val += r.val;
        if (val >= MOD) val -= MOD;
        return *this;
    }
    constexpr Fp& operator -= (const Fp& r) noexcept {
        val -= r.val;
        if (val < 0) val += MOD;
        return *this;
    }
    constexpr Fp& operator *= (const Fp& r) noexcept {
        val = val * r.val % MOD;
        return *this;
    }
    constexpr Fp& operator /= (const Fp& r) noexcept {
        long long a = r.val, b = MOD, u = 1, v = 0;
        while (b) {
            long long t = a / b;
            a -= t * b; swap(a, b);
            u -= t * v; swap(u, v);
        }
        val = val * u % MOD;
        if (val < 0) val += MOD;
        return *this;
    }
    constexpr bool operator == (const Fp& r) const noexcept {
        return this->val == r.val;
    }
    constexpr bool operator != (const Fp& r) const noexcept {
        return this->val != r.val;
    }
    friend constexpr ostream& operator << (ostream &os, const Fp<MOD>& x) noexcept {
        return os << x.val;
    }
    friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept {
        if (n == 0) return 1;
        auto t = modpow(a, n / 2);
        t = t * t;
        if (n & 1) t = t * a;
        return t;
    }
};
using mint = Fp<mod>;
typedef vector<mint> vm;
typedef vector<vm> vvm;
typedef vector<vvm> vvvm;
typedef vector<vvvm> vvvvm;

int main() {
    //アルゴリズム一覧を見る
    //嘘解法ですか
    int n; cin >> n;
    string s; cin >> s;
    vvm dp(n+1, vm(3));
    dp[0][0] = 1;
    rep(i, n){
        if(s[i]=='U') dp[i+1][0] = dp[i][0]+dp[i][1]+dp[i][2];
        if(s[i]=='L') dp[i+1][1] = dp[i][0]+dp[i][1];
        if(s[i]=='R') dp[i+1][2] = dp[i][0]+dp[i][1]+dp[i][2];
        if(s[i]=='.'){
            dp[i+1][0] += dp[i][0]+dp[i][1]+dp[i][2];
            dp[i+1][1] = dp[i][0]+dp[i][1];
            dp[i+1][2] = dp[i][0]+dp[i][1]+dp[i][2];
        }
    }
    cout << dp[n][0]+dp[n][1]+dp[n][2] << endl;
    // printvv(dp);
}
0