結果

問題 No.762 PDCAパス
ユーザー 👑 はまやんはまやんはまやんはまやん
提出日時 2019-01-03 01:56:37
言語 C++14
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 48 ms / 2,000 ms
コード長 3,493 bytes
コンパイル時間 1,669 ms
コンパイル使用メモリ 168,968 KB
実行使用メモリ 10,788 KB
最終ジャッジ日時 2023-08-14 12:54:51
合計ジャッジ時間 4,977 ms
ジャッジサーバーID
(参考情報)
judge11 / judge15
このコードへのチャレンジ(β)

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 4 ms
7,504 KB
testcase_01 AC 4 ms
7,388 KB
testcase_02 AC 5 ms
7,364 KB
testcase_03 AC 4 ms
7,276 KB
testcase_04 AC 4 ms
7,360 KB
testcase_05 AC 4 ms
7,448 KB
testcase_06 AC 5 ms
7,328 KB
testcase_07 AC 5 ms
7,280 KB
testcase_08 AC 5 ms
7,252 KB
testcase_09 AC 5 ms
7,352 KB
testcase_10 AC 5 ms
7,332 KB
testcase_11 AC 4 ms
7,360 KB
testcase_12 AC 4 ms
7,448 KB
testcase_13 AC 4 ms
7,276 KB
testcase_14 AC 4 ms
7,248 KB
testcase_15 AC 4 ms
7,296 KB
testcase_16 AC 5 ms
7,252 KB
testcase_17 AC 4 ms
7,256 KB
testcase_18 AC 4 ms
7,336 KB
testcase_19 AC 4 ms
7,308 KB
testcase_20 AC 4 ms
7,252 KB
testcase_21 AC 5 ms
7,280 KB
testcase_22 AC 19 ms
8,048 KB
testcase_23 AC 20 ms
8,124 KB
testcase_24 AC 39 ms
10,788 KB
testcase_25 AC 42 ms
10,660 KB
testcase_26 AC 21 ms
8,244 KB
testcase_27 AC 20 ms
8,256 KB
testcase_28 AC 48 ms
10,152 KB
testcase_29 AC 46 ms
10,180 KB
testcase_30 AC 41 ms
9,976 KB
testcase_31 AC 45 ms
9,824 KB
testcase_32 AC 44 ms
9,720 KB
testcase_33 AC 37 ms
9,560 KB
testcase_34 AC 36 ms
9,416 KB
testcase_35 AC 38 ms
9,392 KB
testcase_36 AC 31 ms
8,840 KB
testcase_37 AC 30 ms
8,796 KB
testcase_38 AC 31 ms
9,028 KB
testcase_39 AC 30 ms
8,876 KB
testcase_40 AC 29 ms
8,976 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>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
template<int MOD> struct ModInt {
    static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
    ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    int get() const { return (int)x; }
    ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
    ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
    ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
    ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
    ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
    ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
    ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
        while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
        return ModInt(u); }
    bool operator==(ModInt that) const { return x == that.x; }
    bool operator!=(ModInt that) const { return x != that.x; }
    ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
    ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
typedef ModInt<1000000007> mint;
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/




int N, M; string S;
vector<int> E[101010];
mint dp[101010][4];
string T = "PDCA";
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> N >> M >> S;
    rep(i, 0, M) {
        int u, v; cin >> u >> v;
        u--; v--;
        E[u].push_back(v);
        E[v].push_back(u);
    }

    rep(cu, 0, N) if (S[cu] == T[0]) dp[cu][0] = 1;

    rep(t, 1, 4) rep(cu, 0, N) {
        if (S[cu] == T[t]) fore(to, E[cu]) if (S[to] == T[t - 1]) dp[cu][t] += dp[to][t - 1];
    }

    mint ans = 0;
    rep(cu, 0, N) ans += dp[cu][3];
    cout << ans << endl;
}
0