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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#468639#6434. Paimon SortingMCdycAC ✓113ms5684kbC++202.1kb2024-07-08 21:55:332024-07-08 21:55:33

Judging History

你现在查看的是最新测评结果

  • [2024-07-08 21:55:33]
  • 评测
  • 测评结果:AC
  • 用时:113ms
  • 内存:5684kb
  • [2024-07-08 21:55:33]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define int long long
template <typename T> class fenwick
{
    vector<T> a;
    int n;

  public:
    fenwick(int x) : a(x + 1)
    {
        n = x;
    }
    fenwick(vector<T> &t) : a(t)
    {
        n = t.size() - 1;
        init();
    }
    fenwick(vector<T> &t, int x) : a(t)
    {
        n = x;
        init();
    }
    int lowbit(int x)
    {
        return x & -x;
    }
    void add(int x, T k)
    {
        while (x <= n)
        {
            a[x] += k;
            x = x + lowbit(x);
        }
    }
    void change(int x, T k)
    {
        T temp = sum(x) - sum(x - 1);
        add(x, k - temp);
    }
    T sum(int x)
    {
        int ans = 0;
        while (x > 0)
        {
            ans = ans + a[x];
            x -= lowbit(x);
        }
        return ans;
    }
    int get(int l, int r)
    {
        if (l > r)
        {
            return 0;
        }

        return sum(r) - sum(l - 1);
    }
    void init()
    {
        for (int i = 1; i <= n; ++i)
        {
            int j = i + lowbit(i);
            if (j <= n)
                a[j] += a[i];
        }
    }
};
int solve()
{
    int n;
    cin >> n;
    vector<int> a(n);
    vector<int> pos(n + 1);
    for (auto &i : a)
    {
        cin >> i;
    }
    int ans = -2;
    fenwick<int> t(n);
    int maxx = 0;

    for (int i = 0; i < n; i++)
    {
        if (a[i] > maxx)
        {
            ans += max(0LL, (i - (pos[maxx] ? pos[maxx] : 998244353LL))) + 2;
        }
        else if (a[i] <= maxx)
        {
            ans += t.get(a[i] + 1, n);
        }
        if (t.get(a[i], a[i]) && pos[a[i]] == 0)
        {
            pos[a[i]] = i;
        }
        t.change(a[i], 1);
        cout << ans << " \n"[i == n - 1];
        maxx = max(maxx, a[i]);
    }

    return 0;
}
signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int test = 1;
    cin >> test;
    while (test--)
    {
        solve();
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3528kb

input:

3
5
2 3 2 1 5
3
1 2 3
1
1

output:

0 2 3 5 7
0 2 4
0

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 113ms
memory: 5684kb

input:

6107
19
10 13 8 8 11 18 12 9 15 19 6 13 11 11 17 9 14 2 18
12
1 8 10 2 10 2 6 1 5 9 5 7
16
14 4 2 15 12 14 10 3 2 9 15 4 12 9 5 15
10
3 2 5 6 7 8 6 1 6 4
18
6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2
1
1
2
1 1
3
2 1 2
17
11 15 3 10 7 15 15 10 5 17 3 3 14 13 11 11 2
3
2 2 3
7
6 1 7 5 3 5 1
7
2 1...

output:

0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68
0 2 4 6 6 8 10 14 17 18 22 25
0 1 3 5 7 8 11 16 22 26 26 31 33 37 42 42
0 1 3 5 7 9 11 17 19 23
0 1 3 3 4 8 10 12 16 18 27 29 30 34 36 42 46 55
0
0 0
0 1 1
0 2 4 6 9 9 9 11 15 21 27 33 35 38 42 46 55
0 0 3
0 1 3 5 8 10 14
0 1 3 4 6 9 9
0 1 1 3 7 11 ...

result:

ok 6107 lines