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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#710012#9536. Athlete Welcome Ceremonykinoko777WA 88ms240660kbC++238.1kb2024-11-04 17:57:392024-11-04 17:57:40

Judging History

This is the latest submission verdict.

  • [2024-11-04 17:57:40]
  • Judged
  • Verdict: WA
  • Time: 88ms
  • Memory: 240660kb
  • [2024-11-04 17:57:39]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> p11;
typedef pair<string, int> ps1;
typedef pair<ll, ll> p1111;
#define vv vector
#define pb emplace_back
#define IOS ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define fi first
#define se second
#define endl '\n'
#define Endl '\n'
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define per(a, b, c) for(int a = b; a <= c; a ++)
#define iper(a, b, c) for(int a = b; a < c; a ++)
#define rep(a, b, c) for(int a = b; a >= c; a --)
#define irep(a, b, c) for(int a = b; a > c; a --)
#define aper(A) for(auto i : A) cout << i << ' ';cout << '\n'
#define lowbit(x) ((x) & (-x))
#define debug(x) cout << (x) << endl
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define YES cout << "YES" << endl
#define NO cout << "NO" << endl
#define PAI acos(-1)
using ll = long long;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());
template<class T> void umin(T &x,T y){if(x>y)x=y;}
template<class T> void umax(T &x,T y){if(x<y)x=y;}
const int mod = 1e9 + 7, inf = 1e18;
const double eps = 1e-9;
void pre_work(){}

using ll = long long;
template <class T>
constexpr T power(T a, ll b)
{
    T res = 1;
    for (; b; b /= 2, a *= a)
    {
        if (b % 2)
        {
            res *= a;
        }
    }
    return res;
}
constexpr ll mul(ll a, ll b, ll p)
{
    ll res = a * b - ll(1.L * a * b / p) * p;
    res %= p;
    if (res < 0)
    {
        res += p;
    }
    return res;
}

template <int P>
struct MInt
{
    int x;
    constexpr MInt() : x{} {}
    constexpr MInt(ll x) : x{norm(x % getMod())} {}

    static int Mod;
    constexpr static int getMod()
    {
        if (P > 0)
        {
            return P;
        }
        else
        {
            return Mod;
        }
    }
    constexpr static void setMod(int Mod_)
    {
        Mod = Mod_;
    }
    constexpr int norm(int x) const
    {
        if (x < 0)
        {
            x += getMod();
        }
        if (x >= getMod())
        {
            x -= getMod();
        }
        return x;
    }
    constexpr int val() const
    {
        return x;
    }
    explicit constexpr operator int() const
    {
        return x;
    }
    constexpr MInt operator-() const
    {
        MInt res;
        res.x = norm(getMod() - x);
        return res;
    }
    constexpr MInt inv() const
    {
        assert(x != 0);
        return power(*this, getMod() - 2);
    }
    constexpr MInt &operator*=(MInt rhs) &
    {
        x = 1LL * x * rhs.x % getMod();
        return *this;
    }
    constexpr MInt &operator+=(MInt rhs) &
    {
        x = norm(x + rhs.x);
        return *this;
    }
    constexpr MInt &operator-=(MInt rhs) &
    {
        x = norm(x - rhs.x);
        return *this;
    }
    constexpr MInt &operator/=(MInt rhs) &
    {
        return *this *= rhs.inv();
    }
    friend constexpr MInt operator*(MInt lhs, MInt rhs)
    {
        MInt res = lhs;
        res *= rhs;
        return res;
    }
    friend constexpr MInt operator+(MInt lhs, MInt rhs)
    {
        MInt res = lhs;
        res += rhs;
        return res;
    }
    friend constexpr MInt operator-(MInt lhs, MInt rhs)
    {
        MInt res = lhs;
        res -= rhs;
        return res;
    }
    friend constexpr MInt operator/(MInt lhs, MInt rhs)
    {
        MInt res = lhs;
        res /= rhs;
        return res;
    }
    friend constexpr std::istream &operator>>(std::istream &is, MInt &a)
    {
        ll v;
        is >> v;
        a = MInt(v);
        return is;
    }
    friend constexpr std::ostream &operator<<(std::ostream &os, const MInt &a)
    {
        return os << a.val();
    }
    friend constexpr bool operator==(MInt lhs, MInt rhs)
    {
        return lhs.val() == rhs.val();
    }
    friend constexpr bool operator!=(MInt lhs, MInt rhs)
    {
        return lhs.val() != rhs.val();
    }
    friend constexpr bool operator<(MInt lhs, MInt rhs)
    {
        return lhs.val() < rhs.val();
    }
    friend constexpr bool operator<=(MInt lhs, MInt rhs)
    {
        return lhs.val() <= rhs.val();
    }
    friend constexpr bool operator>(MInt lhs, MInt rhs)
    {
        return lhs.val() > rhs.val();
    }
    friend constexpr bool operator>=(MInt lhs, MInt rhs)
    {
        return lhs.val() >= rhs.val();
    }
};

template <>
int MInt<0>::Mod = 998244353;

template <int V, int P>
constexpr MInt<P> CInv = MInt<P>(V).inv();

constexpr int P = 1e9 + 7;
using Z = MInt<P>;

struct Comb
{
    int n;
    std::vector<Z> _fac;
    std::vector<Z> _invfac;
    std::vector<Z> _inv;

    Comb() : n{0}, _fac{1}, _invfac{1}, _inv{0} {}
    Comb(int n) : Comb()
    {
        init(n);
    }

    void init(int m)
    {
        m = std::min(m, Z::getMod() - 1);
        if (m <= n)
            return;
        _fac.resize(m + 1);
        _invfac.resize(m + 1);
        _inv.resize(m + 1);

        for (int i = n + 1; i <= m; i++)
        {
            _fac[i] = _fac[i - 1] * i;
        }
        _invfac[m] = _fac[m].inv();
        for (int i = m; i > n; i--)
        {
            _invfac[i - 1] = _invfac[i] * i;
            _inv[i] = _invfac[i] * _fac[i - 1];
        }
        n = m;
    }

    Z fac(int m)
    {
        if (m > n)
            init(2 * m);
        return _fac[m];
    }
    Z invfac(int m)
    {
        if (m > n)
            init(2 * m);
        return _invfac[m];
    }
    Z inv(int m)
    {
        if (m > n)
            init(2 * m);
        return _inv[m];
    }
    Z binom(int n, int m)
    {
        if (n < m || m < 0)
            return 0;
        return fac(n) * invfac(m) * invfac(n - m);
    }
} comb;

const int N = 310;
Z dp[N][N][N][3];
Z cnt[N][N][N];
int n, m;

void solve()
{
    dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 1;
    cin >> n >> m;
    string s;
    cin >> s;
    s = ' ' + s;
    int c = 0;
    per(i, 1, n)
        c += s[i] == '?';
    int cnt1 = 0;
    per(i, 1, n)
    {
        cnt1 += s[i] == '?';
        per(j, 0, 300)
            per(k, 0, 300)
            {
                if(s[i] == 'a')
                    dp[i][j][k][0] = dp[i - 1][j][k][1] + dp[i - 1][j][k][2];
                else if(s[i] == 'b')
                    dp[i][j][k][1] = dp[i - 1][j][k][0] + dp[i - 1][j][k][2];
                else if(s[i] == 'c')
                    dp[i][j][k][2] = dp[i - 1][j][k][0] + dp[i - 1][j][k][1];
                else if(s[i] == '?')
                {
                    if(j) dp[i][j][k][0] = dp[i - 1][j - 1][k][1] + dp[i - 1][j - 1][k][2];
                    if(k) dp[i][j][k][1] = dp[i - 1][j][k - 1][0] + dp[i - 1][j][k - 1][2];
                    dp[i][j][k][2] = dp[i - 1][j][k][0] + dp[i - 1][j][k][1];
                }
            }
    }
    for (int x = 0; x <= 3; x++)
        for (int y = 0; y <= 3; y++)
            for (int k = 0; k < 3; k++)
                cout << dp[n][x][y][k] << " \n"[k == 2];
    per(i, 0, 300)
        per(j, 0, 300)
            if(c - i - j >= 0)
                cnt[i][j][c - i - j] = dp[n][i][j][0] + dp[n][i][j][1] + dp[n][i][j][2];
    per(i, 0, 300)
        per(j, 0, 300)
            per(k, 1, 300)
                cnt[i][j][k] = cnt[i][j][k] + cnt[i][j][k - 1];
    per(i, 0, 300)
        per(j, 1, 300)
            per(k, 0, 300)
                cnt[i][j][k] = cnt[i][j][k] + cnt[i][j - 1][k];
    per(i, 1, 300)
        per(j, 0, 300)
            per(k, 0, 300)
                cnt[i][j][k] = cnt[i][j][k] + cnt[i - 1][j][k];
    while(m -- )
    {
        int x, y, z;
        cin >> x >> y >> z;
        cout << cnt[x][y][z] / 2 << endl;
    }
}	

signed main()
{
#ifdef LOCAL
    freopen("oo.in", "r", stdin);
    freopen("oo.out", "w", stdout);
#endif
 	IOS;
	int tt = 1;
 	// cin >> tt;
	pre_work();
	while(tt --)
	{
		solve();
	}
	return 0;
}

/*
3 1
1 2
*/

详细

Test #1:

score: 0
Wrong Answer
time: 88ms
memory: 240660kb

input:

6 3
a?b??c
2 2 2
1 1 1
1 0 2

output:

0 0 0
0 0 2
0 0 0
0 0 0
0 0 2
0 0 2
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
3
1
1

result:

wrong answer 1st lines differ - expected: '3', found: '0 0 0'