Submission #1397459


Source Code Expand

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
//---------------------------------------------------------------------------------------------------
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> 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;
}
template<typename T, int FAC_MAX> struct Comb {
    vector<T> fac, ifac;
    Comb() {
        fac.resize(FAC_MAX, 1); ifac.resize(FAC_MAX, 1); rep(i, 1, FAC_MAX) fac[i] = fac[i - 1] * i;
        rep(i, 1, FAC_MAX) ifac[i] = T(1) / fac[i];
    }
    T aPb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b]; }
    T aCb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b] * ifac[b]; }
    T nHk(int n, int k) {
        if (n == 0 && k == 0) return T(1); if (n <= 0 || k < 0) return 0;
        return aCb(n + k - 1, k);
    }
};
typedef ModInt<1000000007> mint;
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/



Comb<mint, 201010> com;
int N, A[101010];
int cnt[101010];
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> N;
    rep(i, 0, N + 1) cin >> A[i];
    rep(i, 0, N + 1) cnt[A[i]]++;

    int twice = -1;
    rep(i, 1, N + 1) if (cnt[i] == 2) twice = i;

    int a = -1, b;
    rep(i, 0, N + 1) if (A[i] == twice) {
        if(a < 0) a = i;
        else b = i;
    }

    printf("%d\n", N);
    int cnt = a + (N - b);
    rep(i, 2, N + 1) {
        mint ans = com.aCb(N + 1, i);
        if(i - 1 <= cnt) ans -= com.aCb(cnt, i - 1);
        printf("%d\n", ans.get());
    }
    printf("1\n");
}

Submission Info

Submission Time
Task D - 11
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 600
Code Size 3734 Byte
Status AC
Exec Time 82 ms
Memory 3584 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 3
AC × 10
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All 1.txt, mx.txt, rnd_0.txt, rnd_1.txt, rnd_2.txt, rnd_3.txt, rnd_4.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
1.txt AC 82 ms 3584 KB
mx.txt AC 81 ms 3584 KB
rnd_0.txt AC 78 ms 3328 KB
rnd_1.txt AC 76 ms 3072 KB
rnd_2.txt AC 67 ms 2176 KB
rnd_3.txt AC 67 ms 2176 KB
rnd_4.txt AC 69 ms 2432 KB
sample1.txt AC 64 ms 1792 KB
sample2.txt AC 64 ms 1792 KB
sample3.txt AC 64 ms 1792 KB