QOJ.ac

QOJ

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
#570540#9308. World CupNiiuWA 0ms3688kbC++208.0kb2024-09-17 16:24:062024-09-17 16:24:12

Judging History

你现在查看的是最新测评结果

  • [2024-09-17 16:24:12]
  • 评测
  • 测评结果：WA
  • 用时：0ms
  • 内存：3688kb
查看
  • [2024-09-17 16:24:06]
  • 提交

answer

#include <bits/stdc++.h>
#define IOS                      \
	ios::sync_with_stdio(false); \
	cin.tie(nullptr);
#define rep(i, a, b) for (int i = (a); i <= (b); ++i)
using namespace std;
using i32 = int;
using i64 = long long;
using i128 = __int128;

template <typename T>
T read()
{
	T sum = 0, fl = 1;
	int ch = getchar();
	for (; !isdigit(ch); ch = getchar())
		if (ch == '-')
			fl = -1;
	for (; isdigit(ch); ch = getchar())
		sum = sum * 10 + ch - '0';
	return sum * fl;
}

template <typename T>
void write(T x)
{
	if (x < 0)
	{
		x = -x;
		putchar('-');
	}
	if (x > 9)
		write(x / 10);
	putchar(x % 10 + '0');
}

template <typename T>
constexpr T power(T a, i64 b)
{
    T res = 1;
    for (; b; b /= 2, a *= a) {
        if (b % 2) {
            res *= a;
        }
    }
    return res;
}

constexpr i64 mul(i64 a, i64 b, i64 p)
{
    i64 res = a * b - i64(1.L * a * b / p) * p;
    res %= p;
    if (res < 0) {
        res += p;
    }
    return res;
}
template <i64 P>
struct MLong {
    i64 x;
    constexpr MLong()
        : x {}
    {
    }
    constexpr MLong(i64 x)
        : x { norm(x % getMod()) }
    {
    }

    static i64 Mod;
    constexpr static i64 getMod()
    {
        if (P > 0) {
            return P;
        } else {
            return Mod;
        }
    }
    constexpr static void setMod(i64 Mod_)
    {
        Mod = Mod_;
    }
    constexpr i64 norm(i64 x) const
    {
        if (x < 0) {
            x += getMod();
        }
        if (x >= getMod()) {
            x -= getMod();
        }
        return x;
    }
    constexpr i64 val() const
    {
        return x;
    }
    explicit constexpr operator i64() const
    {
        return x;
    }
    constexpr MLong operator-() const
    {
        MLong res;
        res.x = norm(getMod() - x);
        return res;
    }
    constexpr MLong inv() const
    {
        assert(x != 0);
        return power(*this, getMod() - 2);
    }
    constexpr MLong& operator*=(MLong rhs) &
    {
        x = mul(x, rhs.x, getMod());
        return *this;
    }
    constexpr MLong& operator+=(MLong rhs) &
    {
        x = norm(x + rhs.x);
        return *this;
    }
    constexpr MLong& operator-=(MLong rhs) &
    {
        x = norm(x - rhs.x);
        return *this;
    }
    constexpr MLong& operator/=(MLong rhs) &
    {
        return *this *= rhs.inv();
    }
    friend constexpr MLong operator*(MLong lhs, MLong rhs)
    {
        MLong res = lhs;
        res *= rhs;
        return res;
    }
    friend constexpr MLong operator+(MLong lhs, MLong rhs)
    {
        MLong res = lhs;
        res += rhs;
        return res;
    }
    friend constexpr MLong operator-(MLong lhs, MLong rhs)
    {
        MLong res = lhs;
        res -= rhs;
        return res;
    }
    friend constexpr MLong operator/(MLong lhs, MLong rhs)
    {
        MLong res = lhs;
        res /= rhs;
        return res;
    }
    friend constexpr std::istream& operator>>(std::istream& is, MLong& a)
    {
        i64 v;
        is >> v;
        a = MLong(v);
        return is;
    }
    friend constexpr std::ostream& operator<<(std::ostream& os, const MLong& a)
    {
        return os << a.val();
    }
    friend constexpr bool operator==(MLong lhs, MLong rhs)
    {
        return lhs.val() == rhs.val();
    }
    friend constexpr bool operator!=(MLong lhs, MLong rhs)
    {
        return lhs.val() != rhs.val();
    }
};

template <>
i64 MLong<0LL>::Mod = 1;

template <int P>
struct MInt {
    int x;
    constexpr MInt()
        : x {}
    {
    }
    constexpr MInt(i64 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)
    {
        i64 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();
    }
};

template <>
int MInt<0>::Mod = 1;

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

constexpr int P = 1e9 + 7;//改取模数
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)
    {
        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;


void solve()
{
	vector<pair<int,int>> a(33);
    for(int i=1;i<=32;i++)
    {
        cin>>a[i].first;
        a[i].second=i;
    }
    sort(a.begin()+1,a.end());
    int cnt;
    for(int i=1;i<=32;i++)
    {
        if(a[i].second==1)
        {
            cnt=i-1;
            break;
        }
    }
    if(cnt<2)cout<<32<<'\n';
    if(cnt>=2&&cnt<6)cout<<16<<'\n';
    if(cnt>=6&&cnt<13)cout<<8<<'\n';
    if(cnt>=13&&cnt<30)cout<<4<<'\n';
    if(cnt==30)cout<<2<<'\n';
    if(cnt==31)cout<<1<<'\n';
}

signed main()
{
	IOS 
	int T = 1;
	cin>>T;
	while (T--)
	{
		solve();
	}
	return 0;
}
源文件, 语言: C++20

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3572kb

input:

1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

output:

1

result:

ok 1 number(s): "1"

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3688kb

input:

32
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
3 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
4 1 2 3 5 6 7 8 9 10 11 12 13 14 15 ...

output:

32
32
16
16
16
16
8
8
8
8
8
8
8
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
2
1

result:

wrong answer 28th numbers differ - expected: '2', found: '4'
English 繁體中文 简体中文

伺服器時間: 2024-12-12 00:39:52 | 開源專案