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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
#160346#7108. Couleurucup-team1447#AC ✓5042ms229836kbC++145.3kb2023-09-02 20:11:072023-09-02 20:11:08

Judging History

你现在查看的是最新测评结果

  • [2023-09-02 20:11:08]
  • 评测
  • 测评结果:AC
  • 用时:5042ms
  • 内存:229836kb
  • [2023-09-02 20:11:07]
  • 提交

answer

// This Code was made by Chinese_zjc_.
#include <bits/stdc++.h>
// #define debug
int L, T, N, n, m, a[200005], b[200005], sum[200005], in[200005], e[505][200005];
long long c[505], d[505][505], pre[200005], suf[200005];
std::pair<int, int> A[200005];
std::vector<int> rk[505];
void add(int pos, int val)
{
    while (pos <= n)
    {
        sum[pos] += val;
        pos += pos & -pos;
    }
}
int query(int pos)
{
    int res = 0;
    while (pos)
    {
        res += sum[pos];
        pos -= pos & -pos;
    }
    return res;
}
long long merge(const std::vector<int> &A, const std::vector<int> &B)
{
    long long res = 0;
    std::size_t Ai = 0, Bi = 0;
    while (Bi != B.size())
    {
        while (Ai != A.size() && A[Ai] < B[Bi])
            ++Ai;
        res += Ai;
        ++Bi;
    }
    return res;
}
long long merge1(const std::vector<int> &A, const std::vector<int> &B)
{
    long long res = 0;
    std::size_t Ai = 0, Bi = 0;
    while (Bi != B.size())
    {
        while (Ai != A.size() && A[Ai] < B[Bi])
            ++Ai;
        res += Ai;
        ++Bi;
    }
    return res;
}
long long merge2(const std::vector<int> &A, const std::vector<int> &B)
{
    long long res = 0;
    std::size_t Ai = 0, Bi = 0;
    while (Bi != B.size())
    {
        while (Ai != A.size() && A[Ai] < B[Bi])
            ++Ai;
        res += Ai;
        ++Bi;
    }
    return res;
}
long long query(int l, int r)
{
    static long long ans;
    static std::vector<int> A, B;
    A.clear(), B.clear();
    if (in[l] == in[r])
    {
        for (auto i : rk[in[l]])
            if (b[i] < l)
                A.push_back(i);
            else if (b[i] > r)
                B.push_back(i);
        ans = pre[r] + suf[l] + merge1(A, B) - c[in[l]] + c[in[l] - 1];
    }
    else
    {
        int L = in[l] + 1, R = in[r] - 1;
        ans = d[L][R] + c[R] - c[L - 1] + suf[l] + pre[r];
        for (int i = l; in[l] == in[i]; ++i)
            ans -= e[R][i] - e[L - 1][i];
        for (int i = r; in[r] == in[i]; --i)
            ans += e[R][i] - e[L - 1][i];
        for (auto i : rk[in[l]])
            if (b[i] >= l)
                A.push_back(i);
        for (auto i : rk[in[r]])
            if (b[i] <= r)
                B.push_back(i);
        ans += A.size() * (R - L + 1) * ::L;
        ans += merge2(A, B);
    }
    return ans;
}
signed main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cin >> T;
    while (T--)
    {
        std::cin >> N;
        n = N;
        L = std::min(375, N);
        for (int i = 1; i <= n; ++i)
            std::cin >> A[i].first, A[i].second = i;
        std::sort(A + 1, A + 1 + n);
        for (int i = 1; i <= n; ++i)
            a[A[i].second] = i;
        for (int i = 1; i <= n; ++i)
            a[i] = n - a[i] + 1;
        while (n % L)
            ++n, a[n] = n;
        for (int i = 1; i <= n; ++i)
            b[a[i]] = i;
        std::fill(sum, sum + 1 + n, 0);
        std::fill(in, in + 1 + n, 0);
        std::fill(pre, pre + 1 + n, 0);
        std::fill(suf, suf + 1 + n, 0);
        for (int i = 1; i <= n / L; ++i)
        {
            c[i] = 0;
            std::fill(d[i], d[i] + 1 + n / L, 0);
            std::fill(e[i], e[i] + 1 + n, 0);
            rk[i].clear();
        }
        for (int i = 1; i <= n / L; ++i)
        {
            int l = (i - 1) * L + 1, r = i * L;
            rk[i].resize(L);
            std::fill(in + l, in + r + 1, i);
            std::copy(a + l, a + r + 1, rk[i].begin());
            std::sort(rk[i].begin(), rk[i].end());
            std::copy(e[i - 1], e[i - 1] + n + 1, e[i]);
            for (int j = l; j <= r; ++j)
                ++e[i][a[j]];
            int tmp = 0;
            for (int j = l; j <= r; ++j)
            {
                tmp += query(a[j]);
                add(a[j], +1);
                pre[j] = tmp;
            }
            c[i] = tmp;
            for (int j = l; j <= r; ++j)
            {
                suf[j] = tmp;
                add(a[j], -1);
                tmp -= query(n) - query(a[j]);
            }
            c[i] += c[i - 1];
        }
        for (int i = 1; i <= n / L; ++i)
        {
            for (int j = 1; j <= n; ++j)
                e[i][j] += e[i][j - 1];
            int tmp[n + 1];
            for (int j = 1; j <= n; ++j)
                tmp[j] = e[i][a[j]];
            std::copy(tmp + 1, tmp + 1 + n, e[i] + 1);
        }
        for (int i = 1; i <= n / L; ++i)
            for (int j = i; --j;)
                d[j][i] = d[j + 1][i] + d[j][i - 1] - d[j + 1][i - 1] + merge(rk[j], rk[i]);
        std::multiset<long long> ans;
        std::set<int> del;
        del.insert(0);
        del.insert(N + 1);
        ans.insert(query(1, N));
        for (int i = 1; i <= N; ++i)
        {
            std::cout << *ans.rbegin() << " \n"[i == N];
            static long long c;
            std::cin >> c;
            c ^= *ans.rbegin();
            std::set<int>::iterator nxt = del.lower_bound(c), lst = std::prev(nxt);
            ans.erase(ans.find(query(*lst + 1, *nxt - 1)));
            if (*nxt - c > 1)
                ans.insert(query(c + 1, *nxt - 1));
            if (c - *lst > 1)
                ans.insert(query(*lst + 1, c - 1));
            del.insert(c);
        }
    }
    return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 16204kb

input:

3
5
4 3 1 1 1
5 4 5 3 1
10
9 7 1 4 7 8 5 7 4 8
21 8 15 5 9 2 4 5 10 6
15
4 8 8 1 12 1 10 14 7 14 2 9 13 10 3
37 19 23 15 7 2 10 15 2 13 4 5 8 7 10

output:

7 0 0 0 0
20 11 7 2 0 0 0 0 0 0
42 31 21 14 14 4 1 1 1 0 0 0 0 0 0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 5042ms
memory: 229836kb

input:

11116
10
10 5 10 3 6 4 8 5 9 8
31 27 24 11 12 3 0 2 3 1
10
8 2 7 2 8 10 1 10 9 10
6 5 2 13 2 1 0 1 3 1
10
7 10 7 6 1 3 10 6 7 9
21 18 10 1 6 5 4 8 9 10
10
2 10 4 8 8 5 7 2 6 7
20 10 9 1 15 0 4 2 9 7
10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
10
1 2 3 4 5 6 7 8 9 10
6 3 5 2 7 10 9 1 4 8
10
1 10 1 3...

output:

21 18 16 12 10 6 4 1 1 0
12 12 10 10 4 4 4 2 1 0
20 16 9 5 3 3 3 0 0 0
22 14 8 8 5 5 2 1 1 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
19 12 7 4 4 2 2 1 0 0
20 18 8 3 1 1 0 0 0 0
45 21 21 10 3 3 3 0 0 0
17 11 8 2 1 1 1 0 0 0
13 4 1 0 0 0 0 0 0 0
29 27 22 15 9 7 4 3 1 0
26 16 9 2 1 1 1 1 1 0
0 0 0 0 0 ...

result:

ok 11116 lines

Extra Test:

score: 0
Extra Test Passed