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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#624431#6434. Paimon SortingGepiWangWA 0ms3824kbC++231.4kb2024-10-09 15:50:102024-10-09 15:50:10

Judging History

你现在查看的是最新测评结果

  • [2024-10-09 15:50:10]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3824kb
  • [2024-10-09 15:50:10]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define PII pair<int, int>
const int N = 1e5 + 5;
const int M = 1e5 + 5;
const int INF = 1e18 + 10;

int n;
int tr[N];

int lowbit(int x) { return x & -x; }

void add(int x, int d)
{
    while (x <= n)
    {
        tr[x] += d;
        x += lowbit(x);
    }
}

int ask(int x)
{
    int res = 0;
    while (x)
    {
        res += tr[x];
        x -= lowbit(x);
    }
    return res;
}

void solve()
{
    cin >> n;
    vector<int> a(n + 1);
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i];
        tr[i] = 0;
    }

    int mx = a[1];
    cout << 0 << " ";
    int ans = 0;
    vector<bool> st(n + 1);
    st[a[1]] = true;
    add(a[1], 1);
    for (int i = 2; i <= n; i++)
    {
        if (a[i] > mx)
        {
            ans += 2;
        }
        else
        {
            int res = ask(n) - ask(a[i]);
            // cout << "i= " << i << " " << a[i] << " " << ask(n) << " " << ask(a[i]) << endl;
            ans += res;
        }
        mx = max(mx, a[i]);
        if (!st[a[i]])
        {
            st[a[i]] = true;
            add(a[i], 1);
        }
        cout << ans << " ";
    }
    cout << endl;
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }

    return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3824kb

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:

wrong answer 1st lines differ - expected: '0 2 3 5 7', found: '0 2 3 5 7 '